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Question:
A body of mass 2 kg thrown vertically upward from the ground with a velocity of $8 \, ms^{-1}$ reaches a maximum height of 3 in. The work done by the air resistance is_______
(Acceleration due to gravity = $10 \, ms^{-2}$)
A body of mass 2 kg thrown vertically upward from the ground with a velocity of $8 \, ms^{-1}$ reaches a maximum height of 3 in. The work done by the air resistance is_______
(Acceleration due to gravity = $10 \, ms^{-2}$)
Updated On: Apr 4, 2024
- 4 J
- 60 J
- 64 J
- 8 J
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The Correct Option is A
Solution and Explanation
Answer (a) 4 J
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Concepts Used:
Acceleration
In the real world, everything is always in motion. Objects move at a variable or a constant speed. When someone steps on the accelerator or applies brakes on a car, the speed of the car increases or decreases and the direction of the car changes. In physics, these changes in velocity or directional magnitude of a moving object are represented by acceleration.
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