# NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 1582 - 1587 of 2000

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## Question number: 1582

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MCQ▾

### Question

If we apply two equal magnitude of force in opposite direction to a table lying on the ground, than table:

### Choices

Choice (4) Response

a.

Must move with uniform speed

b.

Must move along a circle

c.

Must be accelerated

d.

Must remain at rest

## Question number: 1583

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MCQ▾

### Question

If two particles of same mass are travelling with speeds and respectively, then the ratio of their kinetic energies is:

### Choices

Choice (4) Response

a.

b.

c.

1

d.

## Question number: 1584

Edit
MCQ▾

### Question

An engine develops of power. How much time will it take to lift a mass of to a height of .

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 1585

Edit
MCQ▾

### Question

An astronaut of weight feel heavier, when a space vehicle is moving vertically upward with a constant acceleration . When will the astronauts weight becomes ?

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 1586

Edit
MCQ▾

### Question

A ball dropped from the top of a building of height splashes into a pool of water at its base. Time taken by sound of the splash heard at the top is:

(Velocity of sound and )

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 1587

Edit
MCQ▾

### Question

A cycle is moved with an initial velocity of is subject to a uniform acceleration of . The displacement of in next is –

### Choices

Choice (4) Response

a.

b.

c.

d.

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