# Classical Mechanics [GATE (Graduate Aptitude Test in Engineering) Physics]: Questions 4 - 8 of 84

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## Question 4

Classical Mechanics

Appeared in Year: 2015

### Question

MCQ▾

Consider the motion of the Sun with respect to the rotation of the Earth about its axis. If and denote the centrifugal and the Coriolis force, respectively, acting on the Sun, then –

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 5

Classical Mechanics

Appeared in Year: 2014

### Write in Short

If the half – life of an elementary particle moving with speed in the laboratory frame is , then the proper half – life is ________ .

## Question 6

Appeared in Year: 2014

### Write in Short

Two masses and are attached to the two ends of a massless spring with force constant K. If and , then the natural angular frequency of oscillation is ________ Hz.

## Question 7

Classical Mechanics

Appeared in Year: 2016

### Write in Short

The kinetic energy of a particle of rest mass is equal to its mass energy. Its momentum in units of , where is the speed of light in vacuum, is ________. (Give your answer up to two decimal places)

## Question 8

Appeared in Year: 2014

### Question

MCQ▾

A planet of mass moves in a circular orbit of radius in the gravitational potential , where is a positive constant. The orbital angular momentum of the planet is –

### Choices

Choice (4)Response

a.

b.

c.

d.

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