An athlete completes one round of a circ...

An athlete completes one round of a circular track of radius R in 40s. What will be his displacement at the end of 2 min 20 s?

zero

`2 piR`

`7pi R`

Text Solution

Verified by Experts

Topper's Solved these Questions

MEASUREMENTS
TARGET PUBLICATION|Exercise EVALUATION TEST|17 Videos
OPTICS
TARGET PUBLICATION|Exercise EXERCISE|447 Videos

Similar Questions

Explore conceptually related problems

A particle of mass 200 g completes one rotation of a circular track of radius 2 m in 20 second. Calculate angular speed.

A particle of mass 200 g completes one rotation of a circular track of radius 2 m in 21 second. Calculate centripetal acceleration .

A motor car is travelling at 30 m/s on a circular track of radius 450 m. If its speed is increasing at the rate of 2 m/s^2, then its acceleration will be

A car is travelling at a given instant 40 m//s on a circular road of radius 400m. Its speed is increasing at the rate of 3 m//s . Its tangential acceleration is

A particle starting from extreme position performs S.H.M. of amplitude 0.12 m and frequency 40 vibrations per minute. What is the dusplacement of a particle at the end of 2 second ?

A racing car completes three rounds on a circular racing track in one minute. If the car has a uniform centripetal acceleration of pie^2 m/s^2 then the radius of the track will be

An athlete is running on a circular track. He runs a distance of 400 m in 25 s before returning to his original position. What is his average speed and velocity?

A racing car completes 5 rounds of a circular track in 2 minutes. Find the radius of the track if the car has uniform centripetal acceleration of pi^2ms^-2 .

A motor car is travelling 20 m//s on a circular road of radius 400 m. If it increases its speed at the rate of 1 m//s^2 , then its acceleration will be

A car is moving along a circular road at a speed of 20 m//s . The radius of circular road is 10 m. IF the speed is increased at the rate of 30 m//s^2 , what is the resultant acceleration at that moment?

TARGET PUBLICATION-Motion in a plane-Exercise

A ball is dropped vertically from a height d above the ground. It hits...
Text Solution
|
Which of the following is CORRECT graph for variation of distance with...
Text Solution
|
An athlete completes one round of a circular track of radius R in 40s....
Text Solution
|
The horizontal distance x and the vertical height y of a projectile at...
Text Solution
|
A body is projected horizontally from a height with speed 20 metres/se...
Text Solution
|
A ball is thrown from rear end of the compartment to the front end whi...
Text Solution
|
Time taken by the projectile to reach from A to B in figure is t. Then...
Text Solution
|
A stone is projected from the ground with velocity 50 m/s at an angle ...
Text Solution
|
A man standing on the roof of a house of height h throws one particle ...
Text Solution
|
A ball is rolled off the edge of a horizontal table at a speed of 4 m/...
Text Solution
|
A particle comes round a circle of radius Im once. The time taken by i...
Text Solution
|
The tangential velocity of a particle making p rotations along a circl...
Text Solution
|
A cyclist turns around a curve at 15miles//hour. IF he turns at double...
Text Solution
|
A coin placed on a rotating turn-table slips when it is placed at a di...
Text Solution
|
A small coin is kept at the rim of a horizontal circular disc which is...
Text Solution
|
A motor cycle driver doubles its velocity when he is having a turn. Th...
Text Solution
|
A long horizontal rod has a bead which can slide along its length, and...
Text Solution
|
On the centre of a frictionless table, a small hole is made, through w...
Text Solution
|
The ratio of centripetal forces on two clectrons which are revolving a...
Text Solution
|
Two particles A and B are located at distances rAand rB respectively f...
Text Solution
|