# Physics

posted by .

A trolley of mass 2kg accerates from rest across a rough surface at 2,5m.s.It experiences a frictional force of 3N.Calculate the velocity of trolley after 4s and the distance travelled by the trolley in 4s

## Similar Questions

1. ### Physics

Trolley B will be at rest and trolley A will be given a push such that it collides with B, and they both move as one mass after the collision. As soon as the blocker of the picket fence on trolley A passes through the eye of the first …
2. ### physics

A horizontal force of 50N is applied to a 2.0Kg trolly, initially at rest, and it moves a distance of 4.0m along a level, frictionless. The force then changes to 20N and acts for an aditional distance of 2.0m. a) what is the the final …
3. ### Physics

A girl having mass of 35 KG sits on a trolley of mass 5 KG. The trolley is given an initial velocity of 4 m/s by applying a force. The trolley comes to rest after travelling a distance of 16 m. (i) How much work is done on the trolley?
4. ### Science

How much work is done on the trolley by the force,if the force applied is 200N at an angle of 37 degrees to the horizontal and the trolley moves a distance of 10m.
5. ### Physics

A 100kg trolley is being pushed up a rough 30° incline by a constant force. The friction force between the incline and the trolley is 110N. (a) Determine thd value of the constant force that will move the trolley up the incline at …
6. ### Physics

Two boys,each of mass m,are standing at the back of a flatbed trolley of mass 4m.the trolley is at rest on a frictionless horizontal surface.The boys jump off simultaneously at one of end of the trolley whith a horizontal velocity …
7. ### Physical science

A trolley of mass of 20kg rolls down an incline from rest. The top of the incline is 10m above the ground. The trolley experiences a constant frictional force of 25N while it rolls down the incline. The velocity attained by the trolley …
8. ### physics momentum

a trolley of mass 200kg is travelling north at 2m\s. It collides head on with a second trolley of mass 500kg which is travelling south with a velocity of 5 m\s and they remain coupled together. a)calculate the velocity of the two trolleys …
9. ### science

a 2,8kg trolley is moving to the right with a speed of 0,45m.s^-1. A 1.9kg brick is dropped from rest and lands on the trolley. the trolley and bRick move together across the horizontal surface. Assume an isolated system. determine …
10. ### Physics shm

A trolley of mass 1.2kg is resting on a smooth surface attached to two identical springs constant k=25Nm-1,on either sides.when the trolley is displaced to the right by 55mm and releases,determine resultant force at the moment of release …

More Similar Questions