Subject: Science, asked 3 days, 21 hours ago

## A ball is projected vertically upward with speed 20 metre per second find the speed of the ball just before 1 minute to reach maximum height. g=10m/s

Subject: Science, asked 3 days, 21 hours ago

## A ball is dropped from a height 20m.find the speed of ball 1 minute before hit the ground. g=10m/s

Subject: Science, asked 3 days, 22 hours ago

## Pls help me in this question as the calculation is very tough and suggest some way to do these difficult calculations

Subject: Science, asked 4 days, 15 hours ago

## Pls explain me this question very much in Detail.... It's very difficult to understand

Subject: Science, asked 4 days, 17 hours ago

## Distinguish between mass and weight. Show that mass of a body numerically equal to weight of the body except at the centre of earth.

Subject: Science, asked 4 days, 19 hours ago

## Calculate the density of Earth from Newton’s law of gravitation

Subject: Science, asked 5 days, 12 hours ago

## Why is the sky blue ? Explain

Subject: Science, asked 5 days, 18 hours ago

## Two particles are placed at some distance. If the mass of each of the two particles is doubled, keeping the distance between them unchanged, the value of gravitational force between them will be (a) 1 4 (b) 4 times (c) 1 2 times (d) unchanged

Subject: Science, asked 5 days, 19 hours ago

## The value of quantity G in the law of gravitation (a) depends on mass of earth only (b) depends on radius of earth only (c) depends on both mass and radius of earth (d) is independent of mass and radius of the earth

Subject: Science, asked 5 days, 19 hours ago

## Law of gravitation gives the gravitational force between (a) the earth and a point mass only (b) the earth and Sun only (c) any two bodies having some mass (d) two charged bodies only

Subject: Science, asked 5 days, 19 hours ago

## In the relation F = G M m+d2, the quantity G (a) depends on the value of g at the place of observation (b) is used only when the earth is one of the two masses (c) is greatest at the surface of the earth (d) is universal constant of nature

Subject: Science, asked 5 days, 20 hours ago

## An object is put one by one in three liquids having different densities. The object floats with 1 , 2 3 9 11 7 and parts of their volumes outside the liquid surface in liquids of densities d1, d2 and d3 respectively. Which of the following statement is correct (a) d1> d2> d3 (b) d1> d2 d3 (d) d1< d2< d3

Subject: Science, asked 6 days, 14 hours ago

## Who was first animal which travel into space ,with name..it is quiz

Subject: Science, asked 1 week, 3 days ago

## What is gravitational force?

Subject: Science, asked 1 week, 6 days ago