NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 1469 - 1473 of 2000

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Question number: 1469

» Physics » Gravitation & Pressure

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Question

A meteor is falling. How much gravitational acceleration would it experience when its height from the surface of the earth is equal to five times the radius of the earth? (Given that the acceleration due to gravity on the surface of the earth is )

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1470

» Physics » Work, Energy & Power

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Question

The mass of a sphere is three times of the mass of another sphere . The sphere moves at velocity of the sphere . The ratio of the kinetic energy of sphere to that of is:

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Choice (4) Response

a.

b.

c.

d.

Question number: 1471

» Physics » Motion

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In a steel block is released from a height of and an identical block made up of wooden is released from same height simultaneously, in vacuum, then which blocks reach the ground first?

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Choice (4) Response

a.

Wooden block

b.

Steel block

c.

Steel and Wooden block reach at same time

d.

None of the above

Question number: 1472

» Physics » Motion

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Question

A man walks in first 10 min and in next . The velocity at the end of from the start is,

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Choice (4) Response

a.

b.

c.

d.

Question number: 1473

» Physics » Force & Laws of Motion

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Question

The dimension formula of the impulse is:

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Choice (4) Response

a.

b.

c.

d.

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