A body starting from rest accelerates uniformly at the rate of `10cms^(-2)` and retaeds uniformly at the rate of `20cms^(-2)` . Find the least time in which it can complete the journey of 5km if the maximum velocity attained by the body is `72kmh^(-1)` .

A body starting from rest accelerates uniformly at 0.1m/s^2 and retards uniformly at 0.2m/s^2 . What is the least time in which it can complete a journey of 5km if it attains a maximum velocity 72 km/hr.

A body starting from rest accelerates uniformly and attains a velocity of 20m/s in 30 seconds. Find its acceleration and the distance it covers in that time

A body starting from rest, accelerates at a constant rate a m/s^2 for some time, after which it decelerates at constant rate b m/s^2 to come to rest finally. If the total time elapsed is ts the maximum velocity attained by the body is given

A body starting from rest acclerates uniformly along a st. line , at the rate of 10 ms^(-2) for 5 s . It moves for 2 s with uniform velocoty of 50 ms^(-1) . The it retards uniformly and comes to rest in 3 s . Draw velocity-time graph of the and find the total distance travelled by body.

A body starts from rest at time t = 0 , the acceleration time graph is shown in the figure . The maximum velocity attained by the body will be

A car accelerates uniformly at the rate of 2ms^-2 after starting from rest. Find the distance travelled and velocity attained in 4 seconds.

A car starts from rest and accelerates uniformly to a speed of 180 kmh^(-1) in 10 s. The distance covered by the car in the time interval is

A car starts from rest and accelerates uniformly to a speed of 180 kmh^(-1) in 10 s. The distance covered by the car in the time interval is

The radius of a circle is increasing uniformly at the rate of 3cm/s. Find the rate at which the area of the circle is increasing when the radius is 10cm.

The radius of a circle is increasing uniformly at the rate of 3 cm / s . Find the rate at which the area of the circle is increasing when the radius is 10cm .