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A 35-kg child is riding on a swing that rises to a maximum height of 0.80 m.
Neglecting friction, what is the child's gravitational potential energy at the top of the swing?
What is the child's kinetic energy at the top of the swing?
Q. What do you mean by additive nature of charges? Give an example. Additive nature of charge The entire electric charge of a system is equal to the algebraic sum of electric
Hence refractive index µ can be determine by measuring the diameter of Newton's rings first with air and then with the liquid for same value of m.
Illustrates the Electric Motors? An electric motor is basically the reverse of an electric generator. It is a machine which turns electrical energy - AC from the wall or dire
SPEED: The distance covered by a body in unit time is known as speed. It is represented by V.
Action and reaction are always equal and opposite.Then,how does a body moves?
An object contains n1 protons and n2 electrons.what is net charge on the object?
Resolution of Forces: This topic is important, but is really the opposite to Addition of forces. Recalling that two forces can be added to give a single force known
A power boat of mass 500 kg is cruising at a constant speed of 8.9 m/s. The propeller provides a drive force of 765 N. The driver of the boat shuts off the engine, and the boat coa
what are they and how do you measure them
ROCKET PROPULSION: The motion of a rocket is an application of the law of conservation of momentum and Newton's 3rd law of motion. The gases ejected out from the combustion cha
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