can you help me with this??

Can You Help Me With This??

Answers

Answer 1

Answer:

i want to say flip the coins but im not really sure sry

Explanation:


Related Questions

Which of the following is the best way to decrease an objects acceleration?

Increase mass

Reduce friction

Decrease mass

Increase force​

Answers

increase mass

hope it helps

Answer:

its D

Explanation:

i took the assignment, its D

In which image below is the angle of refraction the greatest?

Answers

Answer:

Explanation:

Angle of refraction is the angle made by refracted ray with the normal at the point of incidence . In this figure , refracted ray has been shown by line having arrow-head . Normal has been shown by broken line .

We observe that in figure D , angle made by refracted ray with normal is greatest . So figure D is the answer.

The  image where the angle of refraction is the greatest is the image D

What is the angle of refraction?

The angle of refraction is the angle that the refracted ray made with the x-axis.

The higher the angle between the refracted ray and the x-axis, the higher the angle of refraction and vice versa.

From the given diagram, we can see that the  image where the angle of refraction is the greatest is the image D

Learn more on angle of refraction here: https://brainly.com/question/15838784

HELP MEEEEE HURRRYYYY EASYY

What best describes the greatest height a ball will bounce off the ground after being dropped from a height of 50 centimeters?

A. Less than 50 centimeters, as the ball transforms some of its thermal energy into sound energy

B. Less than 50 centimeters, as the ball transforms some of its potential energy into sound energy

C. Greater than 50 centimeters, as the ball transforms some of its thermal energy into potential energy

D. Greater than 50 centimeters, as the ball transforms some of its potential energy into thermal energ

Answers

Answer:

C

Explanation:

thats what i think it depends on the amount of force someone dropped the ball with.

Answer: A) "Less than 60 centimeters, as the ball transforms a part of its potential energy into heat energy"

Explanation:

I took the test

A boy steps off the end of a 3.00 m high diving board and drops to the water below. Using 9.8 m/s2 as acceleration due to earth's gravity, how many seconds does it take for him to reach the water? Only enter the number, not the units.

Answers

Answer:

t = 0.78 s

Explanation:

Given that,

The height of a diving board, h = 3 m

We need to find the time it take for him to reach the water. Let the time is t./

Using second equation of motion as follows :

[tex]h=ut+\dfrac{1}{2}at^2[/tex]

u is initial velocity, u = 0 and a = g

So,

[tex]h=\dfrac{1}{2}gt^2\\\\t=\sqrt{\dfrac{2h}{g}} \\\\t=\sqrt{\dfrac{2\cdot3}{9.8}}\\\\t=0.78\ s[/tex]

So, it will take 0.78 seconds to reach the water.

On the graph below, the line crosses the x axis on a velocity versus time
graph. What does this tell you about the motion of the object?

A. Slowing down
B. Speeding up
C. Changing direction
D. Changing speeds

Answers

Answer:

A. Slowing down

Explanation:

The graph is decreasing which means that the speed of the object is no longer at its peak.

If you were making an electric device and needed a piece that would easily transmit an electric charge and also not react with other materials, what material would you choose?

Answers

Answer:

This question is incomplete

Explanation:

This question is incomplete because of the absence of options. However, one material that is good candidate for conducting electricity without reacting with other materials is metallic vanadium dioxide. This is because of the inability of this electrical conductor to conduct heat (an unusual property for all other electrical conductors) and thus makes it difficult for it to react with other materials (since an increase in temperature increases possibility of a reaction).

The diagram below shows four sound waves.
m А.
Wave 1
Wave 2
Wave 3
Wave 4
Which of these shows the waves in the increasing order of their frequencies? (3 points)
Оа
Wave 1, Wave 4, Wave 3, Wave 2

Wave 2, Wave 1, Wave 3, Wave 4
Ос
Wave 3, Wave 4, Wave 1, Wave 2
Od
Wave 4, Wave 3, Wave 1, Wave 2

Answers

Answer: D (Wave 4, Wave 3, Wave 1, Wave 2)

The arrangement of these waves in order of increasing frequency is;Wave 4, Wave 3, Wave 1, Wave 2.

What is a wave?

A wave is a disturbance along a medium that transfers energy. We have to note that waves are shown in the manner that is depicted by the images shown in the question.

Now, the arrangement of these waves in order of increasing frequency is;Wave 4, Wave 3, Wave 1, Wave 2.

Learn more about waves:https://brainly.com/question/16263433

#SPJ2

A 72 kg swimmer jumps into a pool from a diving board 3.25 m above the water. Use energy conservation to find his speed just as he hits the water if he jumps straight up (but just beyond the board!) at 2.5 m/s. A. 10.5 m/s B. 5.7 m/s C. 7.4 m/s D. 8.4 m/s

Answers

Answer:

8.06 m/s

Explanation:

It is given that,

Mass of a swimmer, m = 72 kg

He jumps from a diving board 3.25 m above the water.

We need to find the speed just as he hits the water if he jumps straight up. Using the conservation of energy to fin it as follows :

[tex]mgh=\dfrac{1}{2}mv^2\\\\v=\sqrt{2gh} \\\\v=\sqrt{2\times 10\times 3.25}\\\\ v=8.06\ m/s[/tex]

So, the required speed is 8.06 m/s.

A jogger runs 5.0 km on a straight trail at an angle of 60° south of west. What is the southern component of the run rounded to the nearest tenth of a kilometer? -4.3 km -2.5 km 2.5 km 4.3 km

Answers

Given :

A jogger runs 5.0 km on a straight trail at an angle of 60° south of west.

To Find :

The southern component of the run rounded to the nearest tenth of a kilometre.

Solution :

We know, southern component is given by :

[tex]d = Dsin \ \theta\\\\d = 5\times sin \ 60^{\circ}\\\\d = -4.33\ km[/tex]

Here, negative sign indicates south direction.

Therefore, the southern component of the run rounded to the nearest tenth of a kilometre is 4.3 km.

Hence, this is the required solution.

The southern component of the run in nearest tenth is 4.3 km.

The given parameters:

Distance covered by the runner, d = 5 kmDisplacement, θ = 60⁰

The southern component of the run is calculated by finding the equivalent vertical component of the distance covered by the runner as follows;

[tex]d_y = d \times sin(\theta)\\\\d_y = 5 \ km\times 60\\\\d_y = 4.3 \ km[/tex]

Thus, the southern component of the run in nearest tenth is 4.3 km.

Learn more about components of displacement here: https://brainly.com/question/13416288

Why is a rotated coordinate system used to solve an inclined plane problem?

A) Reduce the number of forces that need to be resolved into their x and y components.
B) To eliminate the need to consider the force of gravity.
C) To align the coordinate axes with the acceleration of the object on the plane.
D) To minimize the number of forces that need to be considered.

Answers

Answer:

Actually the answer is C, To align the coordinate axes with the acceleration of the object on the plane.

Is this statement true or false?

A fertilized cell divides many times to form an embryo.


true


false

Is this statement true or false?

Human reproduction requires two reproductive cells from each parent.


true


false










Item 3
Is this statement true or false?

Growth is caused by cells in your body dividing and making new cells.


true


false

Is this statement true or false?

A cell nucleus contains DNA, which is a chemical code for all inherited traits.


true


false

Answers

A fertilized cell divides many times to form an embryo.  - true

Human reproduction requires two reproductive cells from each parent.  - true

Growth is caused by cells in your body dividing and making new cells.  - false

A cell nucleus contains DNA, which is a chemical code for all inherited traits.  - true

Answer:

true false true true

Explanation:

i took the quiz on keystone school and i didnt pass but i saw the end awnser

A trolley at rest is pushed to accelerate at a
uniform rate of 0.50 m/s2. What is its velocity after it
has traveled 4.0 m?
A. 0.13 m/s
B. 2.0 m/s
C. 3.5 m/s
D. 4.0 m/s

Answers

V^2 = 2a S
V = square root ( 2 x 0.5 . 4)
V = 2 m/s
Answer is B

A pumpkin is thrown horizontally off of a building at a speed of 2.5 m/s and travels a horizontal distance of 12 m before hitting the ground.
What was the initial height of the pumpkin?
What was the final vertical velocity of the pumpkin?

Answers

Answer:

-47.04

Explanation:

Divide 12 m by 2.5 m/s which equals 4.8s

And then use 4.8s to multiply it with -9.8

4.8(-9.8)= -47.04 m/s

Hope this helped!! :)

The initial height of the pumpkin is 23.52m and the final vertical velocity of the pumpkin is 47.04 m/s.

Laws of motion:

Initial horizontal speed, u = 2.5 m/s

horizontal distance covered , d = 12m

So the time taken is:

t = d/u

t = 12/2.5 s

t = 4.8s

Now, the initial vertical speed, v = 0

So the vertical distance traveled by the pumpkin will be equal to the initial height of the pumpkin:

s = vt + ¹/₂gt²

s = 0.5 × 9.8 × 4.8 m

s = 23.52m

Final vertical velocity:

v' = v + gt

v' = 9.8 × 4.8 m/s

v' = 47.04 m/s

Learn more about laws of motion:

https://brainly.com/question/26083484?referrer=searchResults

what is transformational energy?​

Answers

It is the process of energy being converted into another type of energy.

Cual es la fuerza electrica sobre el electrón (-1.6 x 10¹⁹c) de un atomo de hidrógeno ejercida por el protón (1.6 x 10¹⁹c)? Supóngase que la distancia entre el electrón y el proton es de 5.3 x 10¹¹ m

Answers

Answer:

La  fuerza eléctrica es -8.2*10⁻⁸ N

Explanation:

El enunciado correcto es: ¿Cuál es la fuerza eléctrica sobre el electrón (-1.6 x 10⁻¹⁹c) de un átomo de hidrógeno ejercida por el protón (1.6 x 10⁻¹⁹c)? Supóngase que la distancia entre el electrón y el protón es de 5.3 x 10⁻¹¹ m

Entre dos o más cargas aparece una fuerza denominada fuerza eléctrica. Su valor depende del valor de las cargas y de la distancia que las separa, mientras que su signo depende del signo de cada carga. Las cargas del mismo signo se repelen entre sí, mientras que las de distinto signo se atraen.

La fuerza eléctrica con la que se atraen o repelen dos cargas puntuales en reposo es directamente proporcional al producto de las mismas e inversamente proporcional al cuadrado de la distancia que las separa:

[tex]F=K*\frac{q1*q2}{d^{2} }[/tex]

donde:

F es la fuerza eléctrica de atracción o repulsión. En el Sistema Internacional (S.I.) se mide en Newtons (N). q1 y q2 son lo valores de las dos cargas puntuales. En el S.I. se miden en Culombios (C). d es el valor de la distancia que las separa. En el S.I. se mide en metros (m). K es una constante de proporcionalidad llamada constante de la ley de Coulomb. Depende del medio en el que se encuentren las cargas. Para el vacío K tiene un valor aproximadamente de 9*10⁹ [tex]\frac{N*m^{2} }{C^{2} }[/tex].

En este caso:

F=?K= 9*10⁹ [tex]\frac{N*m^{2} }{C^{2} }[/tex]q1= -1.6*10⁻¹⁹ Cq2= 1.6*10⁻¹⁹ Cd= 5.3*10⁻¹¹ m

Reemplazando:

[tex]F=9*10^{9} \frac{N*m^{2} }{C^{2} }*\frac{(-1.6*10^{19} C)*(1.6*10^{19} C)}{(5.3*10^{-11} )^{2} }[/tex]

Resolviendo:

F= -8.2*10⁻⁸ N

La  fuerza eléctrica es -8.2*10⁻⁸ N

The motion of a car on a position time graph is represented with a horizontal tine What does this indicate about the car's motion?

Answers

Answer:

Position-Time graphs display the motion of a object by showing the changes of velocity with respect to time.

The motion of a car on a position-time graph that is represented with a horizontal line indicates that the car has stopped moving.

A straight line with a positive slope indicates that the car is moving at a constant velocity, and thus the slope is constant. On the other hand, a curve with a changing slope, shows that the velocity is changing.

I need an answer fast plz​

Answers

Answer:

L = 1.5 [m]

Explanation:

To find the Force Z we must perform a sum of forces on the Y-axis equal to zero, (it is equal to zero since there is no movement, the beam is in equilibrium).

ΣFy = 0

- 30 - 20 - 40 + Z = 0

Z = 90 [N]

Now to find the length of the beam, we must perform a sum of moments equal to zero at the midpoint of the beam, where the load Z is applied.it is important to clarify that the moment generated by the force of 30[N] tends to rotate the beam counterclockwise (is taken as positive), while the load of 20 [N], tends to rotate the beam Clockwise (is taken as negative).

ΣM = 0

+ (30*0.5) - (20*x) = 0

15 = 20*x

x = 15/20

x = 0.75 [m] (this is the half of the distance)

L = 2*x

L = 2*0.75

L = 1.5 [m]

cuky and Magneton Post. Tout (OL//17
A student has wired lights for a model house project for class. To properly demonstrate the circuit, the student wants to show that Bulb #3
will not light, but all of the others do.
Peshw1
Lik
LE
Reso2
At which point must the break in the circuit be located for this to happen, provide evidence to support your claim and what would one need
to do in order to make the entire circuit work? (AKS 10b)

Answers

Answer:

the switch or the wire

Explanation:

Anyone please ??? ASAP 15 points ???

Answers

Answer:

1) you could put more force behind it. (increase) 2) have another object interact with that object. (increase or decrease) 3) the object could hit a wall and stop or slow down (decrease)

Sorry if wrong

Many people keep a compost pile in their backyards. They use the compost as fertilizer for their flower beds. Which of the following correctly describes the disposal of waste by composting?
A.
Yard wastes such as grass clippings are not suitable for composting because they contain low levels of nutrients.
B.
Composting reduces the amount of waste sent to landfills by restaurants, food-processing plants, and animal feedlots.
C.
Compost made from glass and plastics can be recycled and used as building materials.
D.
Composting is a good way for individuals to reduce the amount of garbage they send to the landfill, but large-scale composting is impractical.

Answers

Answer:

I would think B for the answer

Answer:

B

Explanation:

1.

If a truck that is traveling at 15 mph speeds up to 45 mph in 10 seconds, what is the truck’s acceleration? HELP me please!!!! this is a QUIZ!!!!

Answers

Answer:

3mph

Explanation:

a=v(final)-v(initial)/t

=45-15/10

=30/10

=3mph

Answer:

3mph

Explanation:

If you're not satisfied with your fitness evaluation score, there's really little you can do about it.

Answers

Answer:

False

Explanation:

Answer:

false

Explanation:

you can improve your score next time

Mr. and Mrs. miller both have blue eyes. Could any of their children be born with brown eyes? Circle yes or no. What tule or reasoning did you use to decide what the eye color of the children could be? Will give brainliest and a heart!

Answers

Answer:

yes

Explanation:

Generally, darker colors dominate so a person with one brown-eyed gene and one blue-eyed gene will have brown eyes. The only way to present blue eyes is to inherit two copies of the blue-eyed gene. However, brown-eyed parents can pass a recessive blue-eyed gene. Therefore, two brown-eyed partners can birth a blue-eyed baby.

What may also be called breakers? Crusher, Grappler, Hydraulic Hammer, Trencher

Answers

I believe it’s ‘Hydraulic Hammer’..

Place the location of a watermelon in order from most to least potential energy.

aboard a flying airplane

2
on a roof

3
above a refrigerator

4
on the ground

5
on top of a table

Answers

it would be on the ground

PLEASE ANSWER I DONT HAVE THAT MUCH TIME
Which industry requires the most water?

petroleum
paper
automobile
steel

Answers

Answer:

its paper

Explanation:

hope it helps

ace ur test !

what are some advantages of gravitational energy

Answers

Answer:

Explanation: Gravity keeps our bones and bodily muscles from not working, things like dams can be one example of gravitational energy being used for our benefits. Without gravitational energy, our earth most likely won't stay in it's own atmosphere. Another example is like a car on the top of the hill, or a snow pack (Where an avalanche might happen)

Two cars moving A and B moving with velocity of 12m/s and 8 m/s respectively in same direction. Find the relative velocity with respect to B. If they move in opposite direction, What will be the relative velocity?​

Answers

Answer:

b

Explanation:

HELPPPPPP
The force of gravity of objects on the moon is approximately one-sixth of their value on Earth. Joe weights 600 N on earth. Joe's mass on the moon will be approximately______.
a. 60 kg
b. 100 kg
c. 1000 kg
d. 6000 kg
e. 60 N
f. 100 N
g. 1000 N
h. 6000 N
i. nonsense! None of these values are even close.

Answers

Answer:

a) 60kg

Explanation:

mass is not affected by gravity

The mass of Joe on the moon is approximately 60 kg. Hence, option (a) is correct.

Given data:

The weight of Joe is, W = 600 N.

The weight of any object is the product of mass and gravitational acceleration of an object. It is the expressed as,

W = mg

Here,

m is the mass of Joe.

g is the gravitational acceleration.

Solving as,

W = mg

600 = m × 10

m = 60 kg.

Thus, we can conclude that the mass of Joe on the moon is approximately 60 kg. Hence, option (a) is correct.

Learn more about the Gravity here:

https://brainly.com/question/21454806

A ball is thrown into the air with a vertical velocity of 50 m/s and a horizontal
velocity of 40 m/s.
How long does it take for the ball to reach its highest point?

Answers

[tex]\mathfrak{\huge{\pink{\underline{\underline{AnSwEr:-}}}}}[/tex]

Actually Welcome to the Concept of the Projectile Motion.

Since, here given that, vertical velocity= 50m/s

we know that u*sin(theta) = vertical velocity

so the time taken to reach the maximum height or the time of Ascent is equal to

T = Usin(theta) ÷ g, here g = 9.8 m/s^2

so we get as,

T = 50/9.8

T = 5.10 seconds

thus the time taken to reach max height is 5.10 seconds.

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