Trigonometry — Unit Circle Mock Tests

A car of mass 1000 kg moves at a constant speed of 20 m/s on a level road. The power delivered by the engine against a resistive force of 200 N is:

A body of mass 2 kg has momentum 6 kg·m/s. Its kinetic energy is:

A force of 10 N acts on a body of mass 1 kg for 3 s, initially at rest. The work done by the force is:

A ball of mass 0.2 kg moving with a speed of 10 m/s collides head-on with a stationary ball of mass 0.3 kg. If the collision is perfectly elastic, the speed of the 0.2 kg ball after collision is:

Which of the following molecules has a non-zero dipole moment and a trigonal pyramidal geometry?

A force F = (3x² + 2) N acts on a particle moving along the x-axis from x = 1 m to x = 3 m. The work done by the force is:

A spring of spring constant 200 N/m is compressed by 0.1 m. The potential energy stored in the spring is:

A force F = 3x² N acts on a particle moving along the x-axis from x = 0 to x = 2 m. The work done by the force is: