Answer:
Chemical energy is in a battery
The type of energy is stored in a battery is Chemical energy (option d)
Batteries store chemical energy. When a battery is charged, a chemical reaction occurs inside it, converting the reactants into different products. This process stores energy in the form of chemical bonds within the battery's components.
When you use the battery to power a device, the reverse chemical reaction takes place, releasing the stored energy as electrical energy. This flow of electrons creates an electric current that powers the device connected to the battery.
The capacity of a battery to store and release energy depends on the type and quantity of chemicals used in its construction. Different types of batteries, such as alkaline, lithium-ion, or lead-acid batteries, have varying chemical compositions, affecting their energy storage capabilities and overall performance.
So, the correct option is (d).
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at a speed of 15 m/s, how far could a dog run in 6 seconds?
Answer:
15x6=90 meters
Explanation:
i did 15x6 because it runs 15 meters per second
brainliest? >w<
7. A solid wax candle has a volume of 1,700 mL. The candle has a mass of 1.5 kg (1,500 g). What is the
density of the candle?
Answer:
The answer is 0.88 g/mLExplanation:
The density of a substance can be found by using the formula
[tex]density = \frac{mass}{volume} \\[/tex]
From the question
mass = 1500 g
volume = 1700 mL
We have
[tex]density = \frac{1500}{1700} = \frac{15}{17} \\ = 0.88235294...[/tex]
We have the final answer as
0.88 g/mLHope this helps you
Answer:
0.88
Explanation:
density = mass/volume
density = 1500/1700
density = 0.88
Which two options are forms of potential energy?
O A. Electrical energy
B. Elastic energy
O C. Magnetic energy
D. Light energy
O E. Sound energy
A. Electrical energy B. Elastic energy are the forms of potential energy.
What is potential energy?Potential energy is the energy possess by an object because due to its position relative to other objects, stresses within itself, its electric charge, or other factors.
Types of Potential energy:
Elastic potential energy - It is stored in objects that can either be stretched or compressed. The more the object is stretched or compressed, the more elastic potential energy it will have. A classic example is a stretched rubber bandElectric potential energy - Is the energy that is needed to move a charge against an electric field. We need more energy to move a charge in the electric field, but also more energy to move it through a stronger electric field.Therefore,
Electrical energy , Elastic energy are the forms of potential energy.
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Does mass change when volume does
Answer:
Yes
Explanation:
in a series circuit, why is the current always the same?
Answer:
here lol
Explanation:
Sample Response: Surface tension is the result of
water molecules pulling inward with a strong attractive
force. This attractive force brings the molecules on the
surface of the water close together and causes the surface
of the water to be drawn toward the water molecules
beneath the surface. Since there are no water molecules
above the surface, there are uneven forces. This causes
surface tension, allowing the coin to float on the water's
surface
What did you include in your response? Check all that
apply.
Surface tension is the result of water molecules
pulling inward with a strong attractive force.
The attractive force brings the molecules on the
surface of the water close together.
The attractive force causes the surface of the water
to be drawn toward the water molecules beneath
the surface.
Since there are no water molecules above the
surface, there are uneven forces. This causes
surface tension, allowing the coin to float on the
water's surface.
Answer:
1
2
3
4
Explained:
All the statement are correct about surface tension of water. Due to this force, water surface exhibit peculiar properties compared to the bulk of the system.
What is surface tension ?Surface tension is the potential for liquid surfaces that are at rest to condense into the smallest surface area. Razor blades and insects, which have a density greater than that of water, may float on the surface of the water without even getting partially buried because to surface tension.
Surface tension at liquid-air contacts originates from the liquid molecules' stronger attraction to one another owing to cohesion than to the air molecules due to adhesion.
Surface tension is the result of water molecules pulling inward with a strong attractive force. The attractive force brings the molecules on the surface of the water close together makes attractive force causes the molecules to be drawn toward the water molecules beneath the surface.
Since there are no water molecules above the surface there are uneven forces. This causes surface tension, allowing the coin to float on the water's surface.
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Can someone please help me?
Answer:
1.0 A
Explanation:
What can a machine do?
O A. Decrease the work needed to do something
B. Make the work you do feel easier
C. Multiply the energy of a system
O D. Create energy in the form of work
Answer:
B. Make the work you do feel easier
Answer:
Something a machine can do is Decrease the work needed to do something and a machine can also do make the work you do easier.
Explanation:
What is meant by the statement that you don’t “own” the atoms that make up your body?
Answer:
there are as many atoms in a normal breath of air as there are breathfuls of air in the atmosphere of the world
Explanation:
Please help!!! 80 feet/sec to miles / hour
A doctor pushes the plunger of syringe down and then pulls it up to a draw liquid into a syringe? give reason please help me with very short answer
Answer:
When the doctor has the syringe, it is full of air. So, now after the doctor pushes the plunger, hence the air gets released into the medicine container. After this the doctor then takes the plunger and pull it back. Now , the air gets pulled up back into the syringe, but not only does the air come in but also the medicine because of the pressure build up.
If my answer helped, please mark me as the brainliest!!
Thank You!
Two asteroids with masses 5.34 x 108 kg and 2.06 x 104 kg are separated by a distance of 5,000 m. What is the gravitational force between the asteroids? Newton's law of gravitation is F. Gm}m2. The gravitational constant gravity Gis 6.67 x 10-11 N.m²/kg². A. 1.47 x 10-⁶N
B. 4.00 N
C. 1.24 x 10³³ N
D. 2.93 x 10-¹⁰N
Answer: D
Explanation: just completed this question on a p e x
what will be the resistivity of a metal wire of 2m length and 0.6mm in a diameter ,if the resistance of the wire is 50ohm . find the resistance of the same wire of 2m length and 0.3mm thickness
Answer:Resistivity of the wire is 7.065 × 10^-8 Ω m.
Explanation:
I have no idea i just googled it
If an object starts from rest, what is its initial velocity?
Answer:
if an object starts from rest it's initial velocity is zero
what difference will you get from the flying or air filled balloon and the hydrogen filled balloon.
Answer:Since most of air is made of nitrogen and oxygen, which have heavier molecular weights than hydrogen, air is denser than the hydrogen-filled balloon (the atmosphere is denser than the hydrogen-filled balloon). This results in the balloon floating in the air!
Explanation:
calculate the average speed ( in Km/hr) who runs to the store 8 km for 1 hour
A box of weight 280 N is being pulled to the right by a pulling force vec F of magnitude 50 N. The box is moving at a constant speed of 0.84 m/s . To make an accurate free-body diagram of the box, the letter f in the diagram above should be replaced with the label
Answer:
what diagram. I can't see any
this is the graph for this equation
Coach Sweeney walks 24 yards to the north along the sideline, pauses, and walks 11
yards back to the south. Determine Coach's resultant displacement.
Answer:
13 yards north.
Explanation:
Distance and Displacement
A moving object constantly travels for some distance at defined periods of time. The total moved distance is the sum of each individual distance the object traveled. It can be written as:
dtotal=d1+d2+d3+...+dn
This sum is obtained independently of the direction the object moves.
The displacement only takes into consideration the initial and final points of the path defined by the object in its moving. The displacement, unlike distance, is a vectorial magnitude and can be even zero if the object starts and ends the movement at the same point.
Coach Sweeney walks 24 yards north and 11 yards back south. If Coach Sweeney started at the origin, the first walk ends in point (0,24). After going back 11 yards, the final point is (0,13).
Since the displacement only takes the initial and final points, we can say the resultant displacement was 13 yards north.
Can someone please help meeeeee please
Answer:
0.650
Explanation:
Move the decimal point three times to the left.
In frequency modulation, which wave property remains constant?
O a
Ob
Oc
Od
Frequency
Wavelength
Amplitude
Hertz
Answer:
Amplitude
Explanation:
Explanation:
A thief throws a ring down at his partner at 4.0 m/s. It is 9.0 m to the partner’s hands.
a) Find the velocity of the ring when the partner catches it.
b) How long will it take for the ring to pass between the two crooks?
Answer:
a) Vf = 13.87[m/s]
b) t = 1 [s]
Explanation:
a)
To solve this problem we can use kinematics equations:
[tex]v_{f}^{2}= v_{i}^{2}+(2*g*h)[/tex]
where:
Vf = final velocity [m/s]
Vi = initial velocity = 4 [m/s]
h = elevation = 9 [m]
g = gravity acceleration = 9.81 [m/s^2]
[tex]v_{f}=\sqrt{(4)^{2} +(2*9.81*9)}\\v_{f}=13.87[m/s][/tex]
b)
Now using the next equation we can find the time
[tex]v_{f}=v_{i} +(g*t) \\t = (13.87-4)/9.81\\t=1[s][/tex]
Un transformador reductor se usa para convertir un voltaje alterno de 10000 V a 500V ¿Cuál deberá ser la razón (N1/N2) entre las espiras si la corriente en el primario es de 1 amp. Y el transformador tiene un rendimiento del 100%. ¿Cuál es la corriente de salida?
Answer:
(a). The value of [tex]\dfrac{N_{1}}{N_{2}}[/tex] is [tex]\dfrac{1}{20}[/tex]
(b). The output current is 0.05 A
Explanation:
Given that,
Secondary voltage = 10000 V
Primary voltage = 500 V
Primary current = 1 A
(a). We need to calculate the value of [tex]\dfrac{N_{1}}{N_{2}}[/tex]
Put the value into the formula
[tex]\dfrac{V_{s}}{V_{p}}=\dfrac{N_{2}}{N_{1}}[/tex]
[tex]\dfrac{N_{1}}{N_{2}}=\dfrac{V_{p}}{V_{s}}[/tex]
Put the value into the formula
[tex]\dfrac{N_{1}}{N_{2}}=\dfrac{500}{10000}[/tex]
[tex]\dfrac{N_{1}}{N_{2}}=\dfrac{1}{20}[/tex]
(b). We need to calculate the output current
Using formula of current
[tex]\dfrac{I_{s}}{I_{p}}=\dfrac{N_{1}}{N_{2}}[/tex]
[tex]I_{s}=I_{p}\times\dfrac{N_{1}}{N_{2}}[/tex]
Put the value into the formula
[tex]I_{s}=1\times\dfrac{1}{20}[/tex]
[tex]I_{s}=0.05\ A[/tex]
Hence, (a). The value of [tex]\dfrac{N_{1}}{N_{2}}[/tex] is [tex]\dfrac{1}{20}[/tex]
(b). The output current is 0.05 A
What is the point on the globe to the right that receives 24 hours of daylight on the December solstice?
Answer: Explanation:
Locations above the Arctic Circle (north of 66.5 degrees latitude; 90 degrees minus the tilt of Earth's axis) receive 24 hours of sunlight.
Orbits: Sun
14. Give an example of condensation.
Condensation is the water on the outside of a cold cup of water on a hot day.
Jim traveled the first 3 hours of his journey at speed of 60 mph and the remaining 5 hours at 24 mph. How long is the whole journey in miles?
Answer:
300 miles
Explanation:
3*60 + 5*24 = 300
what is the magnitude of the gravitational force on each mass when m1=600 kg m2=400 kg, and their centers are 6 m apart? (choices shown in image)
Edit: I didn't realize there is a simulation for this question, so I used the simulation and got 4.45 x 10^-7, if anybody needs the answer
Answer:
4.45×10¯⁷ N
Explanation:
The following data were obtained from the question:
Mass 1 (M₁) = 600 Kg
Mass 2 (M₂) = 400 Kg
Gravitational constant (G) = 6.67×10¯¹¹ Nm²Kg¯²
Sperating distance (r) = 6 m
Force (F) =.?
The gravitational force can be obtained as follow:
F = GM₁M₂ / r²
F = 6.67×10¯¹¹ × 600 × 400 / 6²
F = 1.6008×10¯⁵ / 36
F = 4.45×10¯⁷ N
Therefore, the gravitational force is 4.45×10¯⁷ N
help me plz Your starting fitness level is known as__________. (10 points) a starting point b beginning level c baseline d entry level
Answer:
Would it be starting point?
Explanation:
When you start a sport or something, you may not be good or bad at it. However, as time goes on you are going to improve.
Idk if this helps or not buh yeah
an object 2cm high when placed in front of a converging mirror produces a virtual image 3cm high. if the object is placed at a distance of 8cm from the pole of the mirror, calculate the position of the image
Answer:
v= +12cm
Explanation:
m = (size of image)/(size of the object) = -v/u
u = - 8 cm
3/2 = -v/u
3/2 = -v/-8
v = +12 cm
Using mirror formula,
1/v + 1/u = 1/f ...(i)
1/12 + 1/(-8) = 1/f
f = -24 cm
Focal length is 24 cm
A ball at rest rolls across a frictionless floor at 12.0 m/s/s. How far will it travel in
8.00 s?
Answer:
The distance, d travelled by the ball is 768 metres.
Explanation:
In physics, acceleration can be defined as the rate of change of the velocity of an object with respect to time.
This simply means that, acceleration is given by the subtraction of final speed from the initial speed all over time.
Hence, if we subtract the final speed from the initial speed and divide that by the time, we can calculate an object’s acceleration.
Mathematically, acceleration is given by the equation;
[tex]Acceleration (a) = \frac{initial \; speed - final \; speed}{time}[/tex]
[tex]a = \frac{v - u}{t}[/tex]
Where,
a is acceleration measured in [tex]ms^{-2}[/tex]
v and u is initial and final speed respectively, measured in [tex]ms^{-1}[/tex]
t is time measured in seconds.
Given the following data;
Acceleration = 12.0m/s²
Time, t = 8secs
Velocity =?
First, we would calculate its velocity;
[tex]a = \frac{v - u}{t}[/tex]
Since the ball rolls at rest, initial velocity is zero (0).
[tex]V = a * t[/tex]
[tex]V = 12 * 8[/tex]
[tex]Velocity = 96ms^{-1}[/tex]
We can now solve for the distance;
[tex] Velocity = \frac{distance}{time}[/tex]
Therefore,
[tex]Distance = velocity * time[/tex]
[tex]Distance = 96 * 8[/tex]
Distance = 768m.
1. A skateboarder is skating over a circular bump. He is at the top of the bump and is
moving rightward. Is the normal force exerted on the skateboarder by the bump greater
than, less than, or equal to the weight of the skateboarder? Explain your reasoning.
Answer:
The normal force exerted on the skateboarder by the bump is less than the weight of the skateboarder
Explanation:
The given parameters are;
The location of the skateboarder = The top of the circular bump
The direction of motion of the skateboarder = Rightward
Therefore, given than the skateboarder has both horizontal angular motion (moving rightward) and vertical angular motion (over the bump), The effect of the weight of the skateboarder on the ground is reduced by the centripetal forces acting on the skateboarder and the normal force exerted on the skateboarder by the bump is equal to the reduced weight and is therefore less than the actual weight of the skateboarder.
The normal force exerted on the skateboarder is less than the weight due to the effect of centripetal force.
Given data:
The position of skateboarder is at top of the circular bump.
And direction of motion of Skateboarder is towards rightward.
Since, the skateboarder is undergoing the motion over the circular path, then it will have both horizontal angular motion (moving rightward) and vertical angular motion (over the bump).
The effect of the weight of the skateboarder on the ground is reduced by the centripetal forces acting on the skateboarder and the normal force exerted on the skateboarder by the bump is equal to the reduced weight and is therefore less than the actual weight of the skateboarder.
Thus, we can conclude that the normal force exerted on the skateboarder is less than the weight due to the effect of centripetal force.
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