NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 1371 - 1377 of 2000

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Question number: 1371

» Physics » Force & Laws of Motion

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MCQ▾

Question

A force of acts on a body of mass . The body covers in seconds moving along a straight line. The initial velocity is:

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1372

» Physics » Gravitation & Pressure

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Question

If the earth were to expand slightly without any change of mass, then the acceleration due to gravity is:

Choices

Choice (4) Response

a.

Remains same

b.

Decrease

c.

Increase

d.

None of the above

Passage

A scooter traveled . The velocity – time graphs is shown below,

Velocity – Time of scooter

Velocity – Time of Scooter

In figure a velocity – time of scooter is shown.

Question number: 1373 (1 of 3 Based on Passage) Show Passage

» Physics » Motion

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Question

The acceleration in first is:

Choices

Choice (4) Response

a.

b.

0

c.

d.

Question number: 1374 (2 of 3 Based on Passage) Show Passage

» Physics » Motion

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MCQ▾

Question

Distance covered by the scooter between time to is:

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1375 (3 of 3 Based on Passage) Show Passage

» Physics » Motion

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Question

The magnitude of retardation after of scooter is:

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1376

» Physics » Motion

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MCQ▾

Question

A man shot a bullet with a speed of which just penetrates a plank of wood. With what speed should he shoot a bullet to pass through similar planks?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1377

» Physics » Motion

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MCQ▾

Question

If a car moves with uniform velocity, then its acceleration is –

Choices

Choice (4) Response

a.

0

b.

c.

d.

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