Home
Class 11
PHYSICS
A ball of mass 1 kg falls from a height ...

A ball of mass 1 kg falls from a height of 5 m above the free surface of water. The relative density of the solid ball is `s=2/3`. The ball travels a distance of 2 m under water and becomes stationary. The work done by the resistive forces of water is `(-10n)J`. Find value of n.

Text Solution

Verified by Experts

The correct Answer is:
4
Promotional Banner

Topper's Solved these Questions

  • PROPERTIES OF MATTER

    DC PANDEY|Exercise Matrix Matching|12 Videos
  • PROJECTILE MOTION

    DC PANDEY|Exercise Level - 2 Subjective|10 Videos
  • RAY OPTICS

    DC PANDEY|Exercise Integer type q.|15 Videos

Similar Questions

Explore conceptually related problems

A ball of mass 1 kg falls from a height of 5m above the free surface of water. The relative density of the solid ball is s=2//3 . The ball travels a distance of 2m under water and becomes stationary. The work done by the resistive forces of water is

A ball of mass 500 g falls from a height of 4 m Find the K.E. of the ball when it reaches the ground. (Take g =9.8 m/s^2 )

A ball of mass 1kg is dropped from a height of 5m. (a) Find the kinetic of the ball just before it reaches the ground (b) What is the speed at this instant?

A ball is falling from a height of 15 cm into water. To which depth the ball sinks if density of ball is 0.6 xx 10^3" kg/m"^3?

A ball of mass 200g falls from a height of 80 cm . If g= 10m//s^(2) , what momentum is transferred to the floor by the ball? Assume that the ball does not rebound.

A ball of mass 5.0 gm and relative density 0.5 strikes the surface of the water with a velocity of 20 m/sec. It comes to rest at a depth of 2m. Find the work done by the resisting force in water: (take g = 10 m//s^(2) )

A ball whose density is 0.4 xx 10^3 kg//m^3 falls into water from a height of 9 cm. To what depth does the ball sink ?

A ball whose density is 0.4zxx1^(3) kg//m^(3) falls into water from a height of 9 cm.To what depth does the balll sink?