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Assuming earth to be an inertial frame a...

Assuming earth to be an inertial frame an example for inertial frame observer is

A

a driver in a train which is slowing down to stip

B

a person in a car moving with uniform velocity

C

a girl revolving in a merrry go round

D

a passenger in an aircraft which is taking off

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The correct Answer is:
b
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What are interial frames ?

In the Bohr model of hydrogen atom, the electron is treated as a particle going in a circle with the centre at the proton. The proton itself is assumed to be fixed in an inertial frame. The centripetal force is provided by the Coloumb attraction. In the ground state, the electron goes round the proton in a circle of radius 5.3xx10^-11m . Find the speed of the electron in the ground state. Mass of the electron =9.1xx10^-31 kg and charge of the electron = 1.6xx10^-19C .

What is meant by Inertial frame of reference.

Statement 1 represent assertion And statement 2 represents reason which one of the following is correct Statement 1 The driver in a car moving with a constant speed on a straight road is non inertial frame of reference Statement 2 A frame of reference in which newton 's laws of motion are applicable is a non inertial frame

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