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IRISSAK [1]
3 years ago
12

Do rolling down a grassy hill has kinetic energy or potential energy

Physics
2 answers:
Ann [662]3 years ago
4 0

If you're moving, then you have kinetic energy.

If you're not at the bottom yet, then you still have
some potential energy left.

allochka39001 [22]3 years ago
3 0

Answer:

Kinetic and potential energy

Explanation: the energy starts at the top of the hill as potential energy and changes to kinetic energy as you go down the kill

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Clouds in our atmosphere cause us to see the different phases of the moon.
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Answer:

False

Explanation:

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3 years ago
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pentagon [3]

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Soft sound has small amplitude and louder sound has large amplitude. Since, the second wave has large amplitude, it will have the loudest sound.

5 0
3 years ago
If we increase the force applied to an object and all other factors remain the same that amount of work will
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Hello there.

<span>If we increase the force applied to an object and all other factors remain the same that amount of work will

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2 years ago
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A 2kg block of which material would require 450 joules of thermal energy to increase its temperature by 1 degree Celsius?
12345 [234]

The block is made of A) Tin, as its specific heat capacity is 0.225 J/(g^{\circ}C)

Explanation:

When an amount of energy Q is supplied to a sample of material of mass m, the temperature of the material increases by \Delta T, according to the following equation :

Q=mC_s \Delta T

where  C_s is the specific heat capacity of the material.

In this problem, we have:

m = 2 kg = 2000 g is the mass of the unknown material

Q = 450 J is the amount of energy supplied to the block

\Delta T = 1^{\circ}C is the change in temperature of the material

Solving the equation for C_s, we can find the specific heat capacity of the unknown sample:

C_s = \frac{Q}{m \Delta T}=\frac{450}{(2000)(1)}=0.225 J/(g^{\circ}C)

And by comparing with tabular values, we can find that this value is approximately the specific heat capacity of tin.

Learn more about specific heat capacity:

brainly.com/question/3032746

brainly.com/question/4759369

#LearnwithBrainly

7 0
3 years ago
Help please it's urgent
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I cant read it, i could most likely help if i could read it.
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