Classical Mechanics (GATE Physics): Questions 4 - 7 of 79

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Question number: 4

» Classical Mechanics » Central Forces

Appeared in Year: 2015

MCQ▾

Question

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

Choices

Choice (4) Response

a.

FC is radially inward and FCo=2FC

b.

FC is radially outward and FCo=FC

c.

FC is radially outward and FCo=2FC

d.

FC is radially outward and FCo=2FC

Question number: 5

» Classical Mechanics » Relativistic Kinematics

Appeared in Year: 2014

Short Answer Question▾

Write in Short

If the half – life of an elementary particle moving with speed 0.9c in the laboratory frame is 5×108s , then the proper half – life is ________ ×108s . (c=3×108ms)

Question number: 6

» Classical Mechanics » Small Oscillations and Normal Modes

Appeared in Year: 2014

Short Answer Question▾

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Two masses m and 3m are attached to the two ends of a massless spring with force constant K. If m=100g and K=0.3Nm , then the natural angular frequency of oscillation is ________ Hz.

Question number: 7

» Classical Mechanics » Relativistic Kinematics

Appeared in Year: 2016

Short Answer Question▾

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The kinetic energy of a particle of rest mass m0 is equal to its mass energy. Its momentum in units of m0c , where c is the speed of light in vacuum, is _ . (Give your answer up to two decimal places)

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