Physics
Grade-7
Easy
Question
Direction : Calculate the missing term
m = ?
v = 30 m/s
K.E. = 270 J
- 0.6 kg
kg- 10 kg
- 6 kg
kg
Hint:
0.6 kg
The correct answer is: 0.6 kg
KE = 
mv2
270 = × m × (30)2
= 
= 0.6 kg
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