# Kinematics (KVPY (Kishore Vaigyanik Protsahan Yojana) Stream SB-SX (Class 12 & 1st Year B.Sc.) Physics): Questions 11 - 13 of 13

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## Question number: 11

» Kinematics » Motion in a Straight Line

MCQ▾

### Question

A rocket is fired upward from the earth’s surface such that it creates an acceleration of. If after 6 s, its engine is switched off, the maximum height of the rocket from earth’s surface would be – (Assume gravitation field is uniform)

### Choices

Choice (4) Response

a.

902 m

b.

486 m

c.

245 m

d.

850 m

## Question number: 12

» Kinematics » Uniform and Non-Uniform Motion

Appeared in Year: 2013

MCQ▾

### Question

A block of mass m slides from rest at a height H on a frictionless inclined plane as shown in the figure. It travels a distance d across a rough horizontal surface with coefficient of kinetic friction µ, and compresses a spring of spring k by a distance x before coming to rest momentarily. Then the spring extends and the block travels back attaining a final height of h. Then –

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 13

» Kinematics » Uniform and Non-Uniform Motion

MCQ▾

### Question

An 8 kg block of ice, released from rest at the top of a 2.1 m long smooth ramp, slides down and falls with a velocity 3.3 ms-1. Find angle of the ramp with horizontal.

### Choices

Choice (4) Response

a.

220

b.

260

c.

150

d.

120

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