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photoshop1234 [79]
4 years ago
8

1.which energy is stored in chemical compounds and released in chemical reactions

Physics
2 answers:
kari74 [83]4 years ago
4 0
1.) Chemical energy

2.) Kinetic energy
sveta [45]4 years ago
3 0

Answer:

  1. a. chemical energy
  2. b. kinetic energy

Explanation:

1)

When chemical bonds are made a work is done in forming them. That work is stored inside the bonds as energy. This energy is called chemical potential energy or simply chemical energy

The chemical energy is released as mostly thermal energy and light energy during chemical reactions

2)

Energy of an object as a result of its motion is called kinetic energy.

If the object of mass 'm' is moving with a velocity 'v', then its kinetic energy

E = \frac{1}{2}mv^2

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Cell are small and us human can't see them with our own eyes. it is in possible to see cell without a microscope
7 0
3 years ago
What is the kinetic energy of a 74.0 kg skydiver falling at a terminal velocity of 52.0m/s?
skad [1K]

Answer:

100,048

Explanation:

K.E = 1/2 m (v)^2

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8 0
3 years ago
an object of mass m is rotating about a fixed axis with angular momentum l. its moment of inertia about this axis is i. what is
Tems11 [23]

The Kinetic energy would be 1/2IL².

<h3>What is Rotational Kinetic energy ?</h3>

  • Rotational energy also known as angular kinetic energy is defined as: The kinetic energy due to the rotation of an object and is part of its total kinetic energy. Rotational kinetic energy is directly proportional to the rotational inertia and the square of the magnitude of the angular velocity.

As we know linear Kinetic energy = 1/2mv²

 where m= mass and v= velocity.

Similarly rotational kinetic energy is given by = 1/2IL²

 where I- moment of inertia and L=angular momentum.

To know more about the Kinetic energy , visit:

brainly.com/question/29807121

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8 0
1 year ago
A 0.20 kg mass is oscillating at a small angle from a light string with a period of 0.78 s.
Scorpion4ik [409]

Answer:

L = 15 cm

Explanation:

T = 2π√(L/g)

L = g(T/2π)²

L = 9.8(0.78/2π)²

L = 0.151027... m

L = 15 cm

7 0
3 years ago
Read 2 more answers
Why does a force perpendicular to an objects velocity change the direction of the velocity but not its magnitude
inna [77]

Answer:

According to your question although I think an object undergoing uniform circular motion is moving with a constant speed. Nevertheless, it is accelerating due to its change in direction. The direction of the acceleration is inwards,therefore a force perpendicular to an objects velocity change the direction of the velocity but not its magnitude.

3 0
3 years ago
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