An MCQ from Projectile motion
Devender posted this question: A plane is flying horizontally at 98m/s and releases an object, which reaches the ground in 10s. the angle made by it while hitting the ground is (a) 55 degree (b) 45...
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Question from Thermal Properties of matter
A clock has a pendulum made of brass . The clock record time correctly at 20 degree C. If temp is increased by 10 degree C, the clock will gain or lose time and by how much??? (Shubham Chauhan posted...
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