The mass of the object is equal to 0.2 Kg when it accelerates at 5.0 m/s².
What is acceleration?Acceleration of an object can be defined as the rate at which the object changes its velocity w.r.t. time. The acceleration can be expressed as the second derivative of position w.r.t. time and is a vector parameter.
The force exerted on an object is equal to the multiplication of the mass (m) and acceleration (a) according to Newton's 2nd law of motion.
F = ma
And, a = F/m
The mass and acceleration have an inverse relationship.
Given, the net force acting on an object, F = 1 N
The object is accelerating at a rate, a = 5.0 m/s²
The mass of the object can be determined by using the given information as follows:
m = F/a
m = 1/ 5.0
m = 0.2 Kg
Therefore, the mass of the object is equal to 0.2 Kg.
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Compare and contrast an earthquake and a tsunami.
Answer:
An earthquake is a trembling movement of the earth's crust. These tremors are generally caused by shifts of the plates that make up the earth's surface. ... A tsunami (pronounced soo-NAHM-ee) is a series of huge waves that occur as the result of a violent underwater disturbance, such as an earthquake or volcanic eruption.
Explanation:
the first thing you should always do when you're solving a problem is draw whats known as a?
Based on its location on the periodic table, which element could be used for
electrical wiring?
A. Argon (Ar)
B. Bromine (Br)
c. Aluminum (AI)
D. Phosphorus (P)
What happens to the electricity in a strand of
Christmas lights if they are plugged in and not
working?
Answer:
Either all the lights are very old and need new ones or the cable is wet.
Explanation:
You and Tim, who is larger than you, are outside with a wagon. Tim (the bigger person) gets in the wagon and you (the smaller one) pull it. As you pull it, you accelerate until you reach a comfortable velocity. Then you stop and switch places with Tim. Tim now pulls you in the wagon, accelerating from a stop to a comfortable velocity. Now, Tim may be bigger than you, but you have been working out and are just as strong as Tim, so the force that Tim uses to pull the wagon is the same force that you used. You both pull with the exact same amount of force. Who was riding in the wagon when it had the greatest acceleration during start up? Why? Use Newton’s second law to explain. Now Sara comes along, and she is the exact same size as you. However, she is even stronger than you! When she pulls you in the wagon, she pulls with a greater force than when you pull her. Now who is in the wagon when it has the greatest acceleration? Explain, using Newton’s second law.
Answer:
It would be you.
Explanation:
You are smaller than Tim, so although you're pulling each other with the same force, you are smaller, so the wagon would accelerate faster when you are in it. Newton's second law depends on force and mass. Tim and you, respectively.
It would be you.
Explanation:
You are smaller than Tim, so although you're pulling each other with the same force, you are smaller, so the wagon would accelerate faster when you are in it. Newton's second law depends on force and mass. Tim and you, respectively.It would be you.
Explanation:
You are smaller than Tim, so although you're pulling each other with the same force, you are smaller, so the wagon would accelerate faster when you are in it. Newton's second law depends on force and mass. Tim and you, respectively.
11. Which of the following is a proper unit of
acceleration?
A) s/km2
C) m/s2
B) km/h
D) cm/s
Answer:
I'm pretty sure it's c. I remember seeing a question like this and I think it was C
Explanation:
can you help me with this??
Answer:
i want to say flip the coins but im not really sure sry
Explanation:
Can someone tell me what they think reliability means ?
Answer:
it is being accountable basically like some one can relive and trust that you'll do what you say your going to do
whats the net force
Answer:
13n pushing left
Explanation:
1563 - 1550
state the law of conservation of energy
Answer:
In physics and chemistry, the law of conservation of energy states that the total energy of an isolated system remains constant; it is said to be conserved over time. ... For instance, chemical energy is converted to kinetic energy when a stick of dynamite explodes.
The Jamaican bobsled team was moving at a velocity of 50 m/s, then they hit the brakes on their sled to decelerate at a uniform rate of -5 m/s2 . How long does it take to stop if it travels 250 m before coming to rest?
Answer:
The time it took the bobsled to come to rest is 10 s.
Explanation:
Given;
initial velocity of the bobsled, u = 50 m/s
deceleration of the bobsled, a = - 5 m/s²
distance traveled, s = 250 m
Apply the following kinematic equation to determine the time of motion of the bobsled;
s = ut + ¹/₂at²
250 = 50t + ¹/₂(-5)t²
250 = 50t - ⁵/₂t²
500 = 100t - 5t²
100 = 20t -t²
t² - 20t + 100 = 0
t² -10t - 10t + 100 = 0
t (t - 10) - 10(t - 10) = 0
(t - 10)(t - 10) = 0
t = 10 s
Therefore, the time it took the bobsled to come to rest is 10 s.
A large truck of mass 5000 kg is travelling at 5.0 m/s.
A motorbike has a mass of 200 kg. Both the truck and the motor bike have the same kinetic energy
What is the speed of the motorbike?
A 25 m/s
B 10 m/s
C 125m/s
D 2.5 m/s
Answer:
A - 25m/s
Explanation:
The velocity of the motorbike will be 25 m/s in order to ensure that the truck and the motor bike have the same kinetic energy.
What is Kinetic Energy?The kinetic energy of the body is by the virtue of its motion.
Given is a large truck of mass 5000 kg which is travelling at 5.0 m/s and a motorbike that has a mass of 200 kg. Both the truck and the motor bike have the same kinetic energy.
The Kinetic energy of the truck will be -
E[T] = 1/2 mv² = 1/2 x 5000 x 25 = 2500 x 25 = 62500 joules
Then Kinetic energy of the motorbike will be -
E[M] = 1/2 x 200 x v²
E[M] = 100v² joules
Now-
E[T] = E[M]
100v² = 62500
v² = 625
v = 25 m/s
Therefore, the velocity of the motorbike will be 25 m/s in order to ensure that the truck and the motor bike have the same kinetic energy.
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A student tries to measure the period of a pendulum that is already swinging
left and right. At the moment when the pendulum is fully to the left, she
counts 'One' and starts a stopwatch. She counts successive swings each time
that the pendulum returns to the left. When she counts ‘Ten' she stops the
stopwatch, and sees that it reads 12.0 s.
a. What was her mistake?
______________________________________________________________
b. What is the period of swing of this pendulum?
______________________________________________________________
c. In this particular experiment, explain the likely effect of her reaction time
on her answer.
Answer:
a. The student's mistake was that the student did not swing the pendulum and start the watch at the same time.
b. 1.2 s per swing.
c. The likely effect of her reaction time is that they will should subtract two seconds off the time.
Explanation:
The pupil made the error of not simultaneously starting the watch and swinging the pendulum.
What is pendulum?Pendulum is defined as a body that is suspended from a fixed point and moves back and forth while being pulled by gravity. The pendulum is used to gauge the gravitational pull because the force of gravity causes it to swing back toward its average position. A pendulum's time period can be used to tell the time because it is constant.
The swing of the pendulum is 1.2 sec. per swing. They should take two seconds off the timing due to her presumably slow reaction time. A pendulum's total time should be divided by the quantity of oscillations in order to determine its time period. When compared to a pendulum with a shorter string, the one back and forth cycle of a longer-stringed pendulum requires more time to complete.
Thus, the pupil made the error of not simultaneously starting the watch and swinging the pendulum.
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A wire that is cold has less resistance than a wire that is hot
True
False
Each box in the Punnett square is equal to _____
1/2
25%
3/4
50%
Answer:
I think it's 3/4 or 25% i am not sure
Max, who has a mass of 80 kg and his girlfriend, Allison, who has a mass
of 50 kg are wearing skates and are standing together on a frozen lake. If
they push apart and Max has a velocity of 0.72 m/s in the south direction,
then what is the velocity of Allison? (Neglect friction)
Answer:
I don't know but focus on that she ways less so she will have a higher velocity
The car travels 25 miles in the first 0.5 hours
of the journey. Calculate its mean speed for
this part of the journey.
Answer:
[tex]\huge\boxed{\sf v = 50\ miles / hr}[/tex]
Explanation:
Given Data:
Distance = S = 25 miles
Time = t = 0.5 hours
Required:
Speed = v = ?
Formula:
v = S/t
Solution:
v = 25 / 0.5
v = 50 miles / hr
[tex]\rule[225]{225}{2}[/tex]
Hope this helped!
~AnonymousHelper1807
Which of the following is a location with a high probability of containing an electron?
O orbital
O proton
O Bohr
Answer:
The answer is orbitial! :))
Answer:
it's orbitial
Explanation:
please help!!!!!!!!!!!!!!!!!!!!!!
Answer: I'm sure the answer is a.
Explanation: I hope that helped you.
Answer:
Precipitate
Explanation:
A car speeds up from 0.00 m/s to 60.0
m/s in 8.53 s.
The acceleration of the car is:
A. 512 m/s2
B. 8.53 m/s2
C. 68.5 m/s2
D. 7.03 m/s2
What can cause the formation of a magnetic domain?
A. The magnetic fields of nearby atoms being aligned with each
other
B. Magnetic field lines passing through the center of a magnet
C. A metal being attracted to the pole of a magnet
O D. A magnet being cut in half many times to form many smaller
magnets
Answer:
The magnetic fields of nearby atoms being aligned with each other
Explanation:
took the quiz c:
For a magnetic domain to be formed in a molecule, it follows that the magnetic fields of nearby atoms are being aligned with each other.
What is a magnetic domain?The term magnetic domain refers to the arragement in the magnetic material which allows the material to be magnetic in nature.
For a magnetic domain to be formed in a molecule, it follows that the magnetic fields of nearby atoms are being aligned with each other.
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Please explain
A 50-kg person is in an elevator. Determine the normal force exerted on the person by the elevator, if the elevator is accelerating downwards at 5 m/s^2.
Can I have help please , ASAP?
Could someone help me? A cannon is fired with an initial horizontal velocity of 20 m/s and initial vertical velocity of 25 m/s . After 3s in the air, the canon hits its target. How far away was the canon from its target?
A high jumper leaves the ground with an initial velocity of 10 m/s rightward at an angle of 15 degrees . What is the high jumper's initial horizontal velocity?
Average acceleration of an object is the:
Change in its position divided by the change in time
Change in time divided by the change in its position
Change in its velocity divided by the change in time
Change in time divided by the change in its velocity
Answer:
Change in its velocity divided by the change in time
Explanation:
the equation for average acceleration (a) = (vf-vi)/t
a = (velocity final - velocity initial) / change in time
why is earth a magnet?
answer them all please!!
Answer:
Digestive = large instestine
respiratory = lungs
circulatory red blood cell
neurons=nerves
Explanation:
A balloon is rubbed on someone's hair, then placed next to a stream of water. The balloon has an overall negative charge. The water has a neutral charge. What happens to the water
It bends away from the balloon due to induction
It moves away from the balloon due to induction
It moves toward the balloon due
It bends toward the balloon due to induction
Answer:
If I'm right it bends away
Explanation:
I learned this in class before it was fun to me
State the relation between the joule and kilocalories.
Explanation:
1 Kilocalories = 4,184 Joules
Answer:
The relationship between calorie and joule are proportionate. Which implies, the calorie is directly proportional to the joule. That means-
When the value in terms of calorie increases, its corresponding value in joules also increases at a rate of 4.2.
When the value in terms of calorie decreases, its corresponding value in joules also decreases at a rate of 4.2.
a calorie is the unit of energy.Calorie or kilocalorie is the unit of energy = 1000 calories.Joule is the unit of energyKilojoule is the unit of energy, = 1000 joules.Write the benefit of reduced load distance in a lever?
Explanation:
A machine is a device that does work. Most machines consist of a number of elements, such as gears and ball bearings, that work together in a complex way. Nonetheless, no matter how complex they are, all machines are based in some way on six types of simple machines. These six types of machines are the lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screw.
Electrical energy is transformed into mechanical energy in a motor when the
electromagnet consistently turns in the same direction. What part of the
motor causes this motion?
A. The commutator
B. The battery
C. The loop of wire
D. The permanent magnets
Answer:
A. Commutator
Explanation: took the quiz
The part of the motor which causes this motion of electromagnet is the commutator. So, option A.
What is meant by a commutator ?An electrical commutator is defined as a rotating switch that periodically switches the direction of current flowing between the rotor and the external circuit.
Here,
The commutator's function is to ensure that the current flowing through the rotor windings always flows in the same direction and that the correct coil on the rotor is energized in relation to the field coils.
When an electromagnet continually rotates in the same direction, electrical energy is converted into mechanical energy in a motor.
This is due to the action of the commutator.
The electromagnet's poles are switched around due to the commutator, which alters the current's direction.
The permanent magnets' poles, which haven't reversed, are once more attracted to the reversed poles and repel them. As a result, the electromagnet keeps turning. As a result, electrical energy is converted into mechanical energy in the motor.
Hence,
The part of the motor which causes this motion of electromagnet is the commutator.
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