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प्रश्न
A Diwali cracker releases 25 gram gas per second, with a speed of 400 ms-1 after explosion. The force exerted by gas on the cracker is ______.
पर्याय
16 newton
100 dyne
10,000 dyne
10 newton
MCQ
रिकाम्या जागा भरा
उत्तर
A Diwali cracker releases 25 gram gas per second, with a speed of 400 ms-1 after explosion. The force exerted by gas on the cracker is 10 newton.
Explanation:
F = rate of change of momentum
= 25 × 10-3 kg/s × 400 m/s
= 10 N
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