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Harman [31]
3 years ago
10

The law of Conservation of energy states that energy can be transformed from one form to another, but it cannot be _______ or __

______.
A. radiated, conducted
B. created, changed
C. changed, destroyed
D. created, destroyed
Physics
2 answers:
Sholpan [36]3 years ago
8 0
D hope it helps and if not

tankabanditka [31]3 years ago
7 0

Answer:

D

Explanation:

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The answer is <span>C. 49 m/s

The kinetic equation is:
v2 = v1 + a * t

v1 - initial velocity
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t - time

We know:
v2 = ?
v1 = 0 (in free fall
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</span>v2 = v1 + a * t
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Two identical bodies are sliding toward each other on a frictionless surface. One moves at 1 m/s and the other at 2 m/s. They co
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Answer:

V=\dfrac{3}{2}\ m/s

Explanation:

Two identical bodies are sliding toward each other on a frictionless surface.

Initial speed of body 1, m₁ = 1 m/s

Initial speed of body 2, m₂ = 2 m/s

They collide and stick.

We need to find the speed of the combined mass. Let V is the speed of the combined mass.

Using the conservation of momentum.

m_1u_1+m_2u_2=V(m_1+m_2)

We have, m₁ = m₂ = m

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