Physics, asked by amitoj0907, 11 months ago

Question of the day

Two bodies are moving with velocities 15km/hr and 45km/hr . find the ratio of their kinetic energies .

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Answers

Answered by trisha7777
0

Answer:

15:45

3:9

1:3

answer is 1:3 mostly just chick once

hopefully correct follow me plz...

Answered by Emma494
1

Answer:

Explanation: velocity 1 is 15 km/hr

KE=1\2mv^2

KE=1/2×m×15×15

KE=1/2×m×225

KE=12.5m

Velocity2=45

KE=1/2mv^2

KE=1/2×m×2025

KE=102.5

Ratio=12.51:102.5

0.1:0.9=answer

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