MHT CET 2024 Physics question
In projectile motion two particles of masses and have velocities , and respectively at time t = 0. Their velocities become and at time 2t while still moving in air. The value of is (g = acceleration due to gravity)
Answer: (D)
Solution
The expression is the change in total linear momentum of the two particles between and , i.e. over a time interval . The only external force is gravity, , so by the impulse-momentum
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