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The correct answer is A
A spring of spring constant 500 N/m is compressed by 5 cm. The potential energy stored is:
A body moves with uniform acceleration and covers 80 m in 4 s and 160 m in next 4 s. Find initial velocity.
Clear nights are colder than cloudy nights because of –
Newton’s second law of motion primarily explains which of the following?
What is the unit of the refractive index?
A stone of mass 0.08 kg is thrown vertically upwards. Give the direction and magnitude of the net force on the stone during its downward motion. Ignore ...
Who laid the foundations of Quantum Theory?
A copper block of mass 3 kg is heated in a furnace to a temperature of 450°C and then placed on a large ice block. Find the maximum amount of ice that...
If ice floating on water in a vessel melts, the water level in the vessel .
A rubber ball is dropped from a height of 2 metres. To what height will it rise if there is no loss of energy/velocity after rebounding?