Physics
Grade-7
Easy
Question
What is the fixed velocity of the moving object?

- 4 m/s
- 4.3 m/s
- 4.5 m/s
- 4.7 m/s
Hint:
4.3 m/s
The correct answer is: 4.3 m/s
m = 120 kg
KE = 1100 J
KE =
mv2

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