Q: An athlete completes one round of a circular track of radius 10 meter in 40 sec.the distance covered by him in 2min.20 sec.?

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Distance covered - 2199m Displacement - 200m Distance covered - 2199m Displacement - 200m

Athlete covers 2pi radians in 40 s. So angular velocity = pi / 20 rad/s Hence the velocity = r w r = 100 m. So v = 5 pi m/s Hence the distance covered in 2 min 20 s ie 140 s = 700 pi metre. Displacement is the shortest distance between initial and final position In 140 s, 3 full rotation and one half rotation. So the he will be diametrically opposite. Hence the displacement is equal to 200 m ie diameter of the circular track.

Yes, a body can have distance without displacement. For example, if a car drives in a circular track and returns to its starting point, it will have covered a certain distance during the trip, but its displacement will be zero since it ended up at the same position where it started.

The distance covered by the cyclist when riding halfway around a circular track with a radius of 140 meters is equal to the circumference of the circle, which is 2 * π * radius. Therefore, the distance covered would be 2 * π * 140 = 880 meters.

In long jump, momentum plays a crucial role in propelling the athlete forward and increasing the distance covered. The greater the speed and body mass of the athlete during takeoff, the more momentum they can generate for the jump. This momentum helps the athlete maintain their velocity in the air and cover a longer distance.

None.Speed is the distance covered per unit of time. If no distance is covered then the speed is 0.None.Speed is the distance covered per unit of time. If no distance is covered then the speed is 0.None.Speed is the distance covered per unit of time. If no distance is covered then the speed is 0.None.Speed is the distance covered per unit of time. If no distance is covered then the speed is 0.

A measuring tape.

Distance covered in nth second means the distance covered in that particular second . It cannot be more than the distance covered in n seconds which means the distance covered in a total time of n seconds.

To compute the average speed of an athlete, you need to divide the total distance they covered by the total time taken to cover that distance. The formula is: average speed = total distance / total time.

Since the athlete covers 200m in 40 seconds, the velocity is 5 m/s. In 140 seconds, the displacement is 700m in the same direction. The total distance covered will be the sum of the distance traveled in each segment of time, so it will be 200m + 700m= 900m.

Sand dollar's circular appearance is due to it's hard shell like structure called the Test that is circular. the test is covered by the spiny skin.

yes,displacement is the shortest distance covered by a body,so distance covered by a body may be greater than the displacement.