The car is moving at a speed of 72km/h and the radius of the wheels is 0.25 m. If the wheels are starting twenty rotations by applying brakes the angular retardation produced by the brakes is

Question:

2.The car is moving at a speed of 72km/h and the radius of the wheels is 0.25 m. If the wheels are starting twenty rotations by applying brakes the angular retardation produced by the brakes is

Options :

a) -25.5 rad/s^2
b) -29.5 rad/s^2
c) -33.5 rad/s^2
d) -45.5 rad/s^2

Answer :

a) -25.5 rad/s^2

Answer Steps :

Step1 :-

Step2 :-

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Related Questions

The kinetic energy of a particle executing a linear SHM is 16 J, when it is in the mean position. If the amplitude is 25 cm, periodic time of the particle in second is (Mass of the particle = 51.2 g)

A body of mass ‘M’ executes SHM Along x-axis with frequency ‘n’. At a distance x from the mean position, the body has kinetic energy ‘K’ and potential energy ‘P’. The amplitude of oscillation of the SHM is

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