Subject: Science, asked 1 week, 3 days ago

## A ball of mass 2kg is thrown up at a speed of 10m/s. Find the kinetic energy of the ball at the time of throwing.

Subject: Science, asked 1 week, 4 days ago

## A heavy box is lying on a surface. Name two forces acting on it.

Subject: Science, asked 1 week, 6 days ago

## A body of mass 2 kg floats on a liquid what is the buoyant force on the body?

Subject: Science, asked 1 week, 6 days ago

## When a player hits a football, it moves along the curved path and then falls to the ground. What is the ork done by the force of gravity to the football?

Subject: Science, asked 1 week, 6 days ago

## A solid of density 5000 kg/m3 weighs 0.5 kg in air. It is completely immersed in water of density 1000 kg/m3 . Calculate the apparent weight of the solid in water? what will be the apparent weight if the water is replaced by a liquid of density 8000 kg/m3 ?

Subject: Science, asked 2 weeks ago

Subject: Science, asked 2 weeks ago

## derive the formula for the universal law of gravitation

Subject: Science, asked 2 weeks, 1 day ago

Subject: Science, asked 2 weeks, 1 day ago

## At the centre of the earth the gravitational force is zero but why do we say when we define weight , the weight of an object is the force with which it is attracted towards the centre of the earth

Subject: Science, asked 2 weeks, 2 days ago

Subject: Science, asked 2 weeks, 2 days ago

## Give answer the following question

Subject: Science, asked 2 weeks, 4 days ago

## Acceleration due to gravity at height H above earth surface is half of the value of Acceleration due to gravity at the surface. What is the value of H in terms of R where R is radius of Earth?

Subject: Science, asked 2 weeks, 4 days ago

## what will happen if the force of gravity vanishes or disappear

Subject: Science, asked 2 weeks, 5 days ago