12) A 300 kg automobile is travelling at 36 kmph,the
average resistive force needed to stop it in 1 minute is
(A) 250N
(b) 500 N
(c) 750 N (d) 1000N
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Answer:
Force
Explanation:
Resistive Force = ∆ P / t
[ Velocity = 36 kmph × 5 / 18 = 10 Metre / second ]
[ ∆ P = Mass × velocity ]
Resistive Force = m × v / t
= 300 × 10 / 60 seconds
= 300 / 6
★ Force = 50 Newton ★
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