Laws of Motion — Physics STD 11 Science — Question

The breaking force for a wire is F. What will be the breaking force for

1. Two parallel wires of this size,
2. For a single wire of double thickness?

A mass of 2kg is attached to the spring of spring constant 50Nm^–1 . The block is pulled to a distance of 5cm from its equilibrium position at x = 0 on a horizontal frictionless surface from rest at t = 0. Write the expression for its displacement at anytime t.

When two soap bubbles stay in contact, what is the radius of the interface?

If the earth's satellite is put into an orbit at a height where resistance due to atmosphere cannot be neglected, how will motion of satellite be affected?

What happens to coefficient of friction, when weight of body is doubled?

What is meant by angular diameter of moon?

When you come out of a river after a dip, you feel cold. Explain.

What is the shape of displacement-time graph for uniform linear motion?

If the molecules were not allowed to collide among themselves, would you expect more evaporation or less evaporation?