Physics
Grade-7
Easy
Question
A car is traveling with a velocity of 40 m/s and has a mass of 1120 Kg. How much kinetic energy does the car have?
- 896 KJ
- 896 J
- 22.4 J
- 22.4 KJ
Hint:
896 KJ
The correct answer is: 896 KJ
v = 40 m/s
m = 1120 kg
KE = 
mv2
= 896 KJ
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