MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Relative Position

A person driv...

Question

A person driving a car with a speed 72km/h, suddenly sees a boy crossing the road . If the distance moved by car, before the person applies brakes is 5m, the reaction time if the person i

Open in App

Solution

Suggest Corrections

thumbs-up

0

Similar questions

Q. A person driving a car at a speed 72 km per hour, sees a boy crossing the road. If the distance moved by the car before the person applies brakes is 5 m, find the reaction time of the person.

Q. A person driving a car with a speed 72 km/h, suddenly sees a boy crossing by car before the person applies brakes is 5 m, the reaction time of the person will be

Q. A Driver is driving a car at speed of 72 km/hr on road. He sees a boy on road at a distance of 48 m from him. If his reaction time is 0.4 sec, find minimum retardation required to save the boy.

Q. A car is moving at a speed of

72 k m / h r

on a road having

2 %

upward gradient. The driver applies brakes when he sees an obstruction. If his reaction time is

1.5 seconds

, assuming that the coefficient of friction between the pavement and tyre as

0.15

, calculate the distance traversed before the car finally stops

Q. A person crossing the a road with a certain velocity due north sees a car moving towards east. The velocity of the car with respect to the person is

\sqrt{2}

times that of velocity of the person. The angle made by the relative velocity with the east is

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Relative Motion

PHYSICS

Watch in App

explore_more_icon

Explore more

Relative Position

Standard XII Physics

Join BYJU'S Learning Program

CrossIcon