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Question 1 of 5
1. Question
4 pointsA bullet of mass 10 g moving horizontally with a velocity of 400 ms^{–1} strikes a wood block of mass 2 kg which is suspended by light inextensible string of length 5 m. As a result, the centre of gravity of the block found to rise a vertical distance of 10 cm. The speed of the bullet after it emerges out horizontally from the block will be [NEET UG 2016]
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Question 2 of 5
2. Question
4 pointsA particle of mass m is driven by a machine that delivers a constant power k watts. If the particle starts from rest the force on the particle at time t is [AIPMT 2015]
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Question 3 of 5
3. Question
4 pointsA particle moves from a point when a force of N is applied.
How much work has been done by the force? [NEET 2016]
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Question 4 of 5
4. Question
4 pointsAn athlete in the Olympic games covers a distance of 100 m in 10 s. His kinetic energy can be estimated to be in the range [AIEEE 2008]
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Question 5 of 5
5. Question
4 pointsStatement1 : Two particles moving in the same direction do not lose all their energy in a completely inelastic collision.
Statement2 : Principle of conservation of momentum holds true for all kinds of collisions. [AIEEE 2010]
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