" 10kg mass rests on a horizontal frictionless table.How much energy (in Joule) Is needed to accelerate the mass from rest to a speed of 5m/s? "

A block of mass sqrt(3) kg rests on a horizontal frictionless surface. What will be the acceleration of the block if it is subjected to two forces as shown in the figure.

block of mass 2 kg is resting on frictionless table. If it is struck by a jet releasing water at the rate of 1 kg/s and at the speed of 5 m/s, find initial acceleration of the block :

Block A of mass 35 kg is resting on a frictionless floor.

A box of mass 3 kg moves on a horizontal frictionless table and collides with another box of mass 3 kg initially at rest on the edge of the table at height 1 m. The speed of the moving boxes stick together and fall from the table. The kinetic energy just before the boxes strike the floor is (Assume, acceleration due to gravoty, g=10 m//s^(2) )

A block of mass M = 2 kg with a semicircular track of radius R = 1.1 m rests on a horizontal frictionless surface. A uniform cylinder of radius r = 10 cm and mass = 1.0 kg is released from rest from the top point A. the cylinder slips on the semicircular frictionless track. The speed of the block when the cylinder reaches the bottom of the track at B is (g =10ms^(-2))

A block of mass M = 2 kg with a semicircular track of radius R = 1.1 m rests on a horizontal frictionless surface. A uniform cylinder of radius r = 10 cm and mass = 1.0 kg is released from rest from the top point A. the cylinder slips on the semicircular frictionless track. The speed of the block when the cylinder reaches the bottom of the track at B is (g =10ms^(-2))

A body of mass m=3.90 kg slides on a horizontal frictionless table with a speed of v=120 m s^(-1) . It is brought to rest in compressing a spring in its path. How much does spring is compressed, if its force constant k is 135 Nm^(-1) ?

A body of mass m=3.90 kg slides on a horizontal frictionless table with a speed of v=120 ms^(-1) . It is brought to rest in compressing a spring in its path. How much does spring is compressed, if its force constant k is 135 Nm^(-1) ?