Work, Energy and Power — Physics STD 11 — Question

When a rigid body moves all particles that constitute the body follows-

Heat produced by a current is obtained a relation H = I2RT. If the errors in measuring these quantities current, resistance, time are 1%, 2%, 1% respectively then total error in calculating the energy produced is

torment of inertia of a uniform solid sphere about an axis passing through the center along its diameter is –

One degree of arc is …….

According to Kepler, planet move in

The slope of the position – time graph will give –

The dimension of point mass is –

A gun fires two bullets with same velocity at 60° and 30° with horizontal. The bullets strike at the same horizontal distance. The ratio of maximum height for the two bullets is in the ratio of –

The unit of momentum is –