Work, Power and Energy

JEE Main Physics · 6 questions

All questions, latest first

• A body of mass 1 kg moves along a straight line with a velocity v=2 x^2. The work done by the body during displacement from x=0…20266 April, Shift 2 · Q29
• The rain drop of mass 1 g, starts with zero velocity from a height of 1 km. It hits the ground with a speed of 5 m / s. The work…20266 April, Shift 1 · Q28
• A mass of 1 kg is kept on a inclined plane with 30° inclination with respect to horizontal plane and it is at rest initially.…20265 April, Shift 2 · Q28
• A 1 kg block subjected to two simultaneous forces (2 i+3 j+4 k) N and (3 i- j-2 k) N is moved a distance of 25 m along (3 i-4 j)…20264 April, Shift 1 · Q46
• A body of mass 2 kg begins to move under the influence of time dependent force F=(2 t i+6 t^2 j) N, where i and j are unit…20264 April, Shift 1 · Q49
• A spherical ball of mass 2 kg falls from a height of 10 m and is brought to rest after penetrating 10 cm into sand. The average…20262 April, Shift 2 · Q36