Work, Energy and Power — Physics STD 11 — Question

The motion of center of mass depends on-

A free falling body breaks into three parts of unequal masses. The center of mass of the three parts taken together shifts horizontally towards –

A solid sphere is rolling down in the inclined plane, from rest without slipping. The angle of inclination with horizontal is 30°. The linear acceleration of the sphere is –

If the density of oxygen is 16 times that of hydrogen, what will be the ratio of the velocities of sound in them?

If the displacement of a particle executing SHM, is given by y = 0.30 sin (220t + 0.64) in metre, then the frequency and the maximum velocity of the particle are (t is in seconds)

Spinning of the earth about its own axis is known as –

For bodies of regular shape and uniform mass distribution, the center of mass is at –

A particle is oscillating according to the equation x = 5 cos (0.5 π t) where t is in seconds. The particle moves from the position of equilibrium to the position of maximum displacement in time ………

The first law of thermodynamics is concerned with the conservation of ……