# nyakasura school

a body of mass 50kg accelerates from rest and covers 40m in 8seconds find its acceleration

1. 👍
2. 👎
3. 👁
1. s = 1/2 at^2, so

1/2 a*64 = 40
a = 80/64 m/s

the mass does not matter.

1. 👍
2. 👎

## Similar Questions

1. ### physics

The same net force is applied to two bodies. The first body acquires half of the acceleration of the second body. What is the relationship between the masses of the bodies? The mass of the first body is double the mass of the

2. ### Science

A net force of 200n gives a body of mass m1 an acceleration of 80m/s2 and a body of mass m2, an acceleration of 240m/s2. The acceleration that this force causes when the masses combine together is -

3. ### physics

A couple of astronauts agree to rendezvous in space after hours. Their plan is to let gravity bring them together. She has a mass of 66.0 kg and he a mass of 72.0 kg, and they start from rest 25.0 m apart. 1)Find his initial

4. ### Science

A car starts from rest and moves with constant acceleration during the 5th second of its motion,it covers a distance of 36 meters. what is the acceleration

1. ### physics

A rocket, initially at rest on the ground, accelerates straight upward from rest with constant acceleration 29.4 . The acceleration period lasts for time 9.00 until the fuel is exhausted. After that, the rocket is in free fall.

2. ### physical science

The same net force is applied to two bodies. The first body acquires half of the acceleration of the second body. What is the relationship between the masses of the bodies? REMEMBER F=M*A a The mass of the first body is a quarter

3. ### physics

A body at rest is given an initial uniform acceleration of 8m/s2 for 30s after which the acceleration is reduced to 5m/s2 for the next twenty seconds. The body maintains the speed attained for 60s, after which it is brought to

4. ### physics

A car, starting from rest, accelerates in the +x direction as in the figure. It has a mass of 1.10 × 103 kg and maintains an acceleration of +4.40 m/s2 for 2.60 s. Assume that a single horizontal force (not shown) accelerates the

1. ### Physics

A car, starting from rest, accelerates in the positive x direction. It has a mass of 1.10 x 103 kg and maintains an acceleration of 4.6 m/s^2 for 5 s. Assume that a single horizontal force accelerates the vehicle. Determine the

2. ### PHYSICS

A body accelerates from rest at 0.2m/s for one-fifth of a minute.Calculate the distance covered by the body.

3. ### Geometry

A body of mass 15kg is placed on a smooth plane which is inclined at 60° to the horizontal. Find: a)the acceleration of the body as it moves down the plane b)the velocity that the body attains after 5s if: (i)it starts from rest

4. ### physics

1.A body with an initial velocity of 18km/hr accelerates uniformly at the rateof 9cm/sec2over a distance of 200m.Calculate, a)the acceleration in m/sec2 b)its final velocity in m/s 2.The distance travelled by a body moving with