Laws of Motion — Physics STD 11 Science — Question

What do you mean by order of magnitude? Explain.

0.2 meter radius and 2 kg. A disc of mass m is rotating around its own axis. What will be the moment of Inertia of the disc?

What is the order of strain within elastic limit?

Can the instantaneous velocity of a uniformly accelerated object be zero?

Which blood pressure is more : systolic pressure or diastolic pressure?

What is the instantaneous velocity of the contact point relative to the surface in rolling motion?

When a gun is fired, it moves back. But its kinetic energy is less or more than kinetic energy of bullet?

Why do fire fighters have a jet attached to the head of their water pipes?

When work done by a force is independent of the path of motion but depends only on the initial and final position of the body displaced. Such force is known as_____________.

A wave pulse passing on a string with a speed of 40cm/s in the negative x-direction has its maximum at x = 0 at t = 0. Where will this maximum be located at t = 5s?