# Classical Mechanics [GATE (Graduate Aptitude Test in Engineering) Physics]: Questions 9 - 12 of 84

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## Question 9

Appeared in Year: 2015

### Write in Short

A particle of mass falls freely in the earth՚s gravitational field with an initial

velocity . If air exerts a friction force of form, , then for , the velocity at time is ________ (up to two decimal places) . (Use and )

## Question 10

Appeared in Year: 2016

### Write in Short

Two blocks are connected by a spring of spring constant . One block has mass and the other block has mass . If the ratio , the angular frequency of vibration of the two block spring system in is ________. (Give your answer up to two decimal places)

## Question 11

Classical Mechanics

Appeared in Year: 2015

### Question

MCQ▾

A satellite is moving in a circular in a circular orbit around the earth. If T, V and E are its average kinetic, average potential and total energies, respectively, then which one of the following options is correct?

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 12

Classical Mechanics

Appeared in Year: 2015

### Question

MCQ▾

In an inertial frame , two events A and B take place at and , respectively. The times at which these events take place in a frame moving with a velocity with respect to are given by –

### Choices

Choice (4)Response

a.

b.

c.

d.

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