Physics [NSTSE (National Science Talent Search Exam- Unified Council) Class 9]: Questions 190 - 195 of 285

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Question 190

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MCQ▾

The approximate velocity of the bob of a simple pendulum at its mean position if it is able to rise to a vertical height of .

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d.

Question 191

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A bullet fired by a toy gun and it moving with velocity strikes a block of mass at rest and gets embedded in it. The lost in kinetic energy will be:

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Question 192

Physics
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A metal ball is dropped from the top of a tower. Sensors are fixed in the tower different distances. The distance recorded by the sensors in and second would be in the ratio of:

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Question 193

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Question 194

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Two objects are of masses and are freely fallen from the height . After a fall of each toward earth, the ratio of their respective kinetic energies is:

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Question 195

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MCQ▾

A person pulls a body on a horizontal surface by applying a force of at an angle of with the horizontal. Find the work done by this form in displacing the body through .

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