Laws of Motion — Physics STD 11 Science — Question

A body of mass 2kg initially at rest moves under the action of an applied horizontal force of 7N on a table with coefficient of kinetic friction = 0.1. Compute the: Work done by the applied force in 10s.

In a number without decimal, what is the significance of zeros on the right of non-zero digits?

The rate of radiation from a body depends on which power of the body's absolute temperature?

What energy is stored in the spring when the key is inserted in the clock. In what energy does this energy converted when the clock continues to run?

State if the following statements is true or false. Give reasons for your answer: In an inelastic collision, the final kinetic energy is always less than the initial kinetic energy of the system.

Snow is a better insulator than ice. Why?

Write any use of the dimensional equation.

Is it possible that a body could have constant speed but varying velocity?