Find the mass of water lifted by a pump of power 0.5 hp to a height of 10 m in 49s.

Solve the following examples: Find the mass of water lifted by a pump of power 0.5 hp to a height of 5m in 98 seconds.

An electric pump has 2 kW power. How much water will the pump lift every minute to a height of 10 m ?

Solve the following examples: An electric pump has 2 kW power. How much water will the pump lift every minute to a height of 10m?

Calculate the work done to take an object of mass 20 kg to a height of 10 m. (g = 9.8 m/s2)

Solve the following examples: A man carrying a box of mass 20 kg climbs up to a height of 1m in 40s. Calculate the power delivered by him to the box.

A box of mass 10 kg is lifted through a height of 10 m in 49 s. Find the corresponding power.

A capillary tube of diameter 0.6 mm dipped vertically into water. It rises to height of 6 cm in capillary tube, find the surface tension of water. (Given: density of water = 1000 kg//m^3, g = 9.8 m//s^2 ).

Consider a drop of rain water having mass 1 g falling from a height of 1 km . It hits the ground with a speed of 50 m//s Take g constant with a volume 10 m//s^(2) . The work done by the (i) gravitational force and the (ii) resistive force of air is :

A body moves with a velocity of 10 m/s for 10 s and then with a velocity of 20 m/s in the same direction for 40 s. Find its average velocity.

A pump lifts 373 kg of water to a height of 10m in 98s. Find the power of the pump. Express it in horsepower.