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Nitella [24]
3 years ago
12

Heat is best defined as

Physics
1 answer:
Scilla [17]3 years ago
7 0
There can be someone who think answer should be B but temperature isn' proportional with heat. The formula is Q=m.c.t , so it isn't definetly temperature. So answer should be D. Because A and C connect with force etc.

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What is the kinetic energy of a 50-kg child running to catch the school bus at
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Answer:

Option C

100 J

Explanation:

Kinetic energy, KE is given by

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Substituting 50 Kg for mass, m and 2 m/s for velocity v then we obtain

KE=0.5*50*2^{2}=100 J

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A box slides down a 31° ramp with an acceleration of 0.99 m/s2. Determine the coefficient of kinetic friction between the box an
tino4ka555 [31]

Answer:\mu=0.48

Explanation:

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