A ball is projected horizontally from the top of a hill with a velocity of 20m^-1. If it reaches the ground 4 seconds later, what is the height of the hill? (g = 10ms^-2)

Similar Questions

Which of the diagrams above shows the position at which a small ball-bearing is in neutral equi...

A faulty thermometer registers 102.5oC t 100oC. If the thermometer has no zero hour, what will it re...

In the diagram above, X and Y have resistances 6 and 4 ohms respectively, if the power dissipation i...

How much work is done against the gravitational force on a 3.0 kg object when it is carried from the...

What is the escape velocity of a body on the surface of the earth of radius R if the gravitational c...

A point charge of magnitude 2μC is moved through a distance of 0.02 m against uniform field of inte...

When a body is thrown vertically upwards, its velocity at the maximum height is ...

An object is placed in front of two plane mirrors inclined at an angle of 0o. If the total number of...

Which of the following statements is correct about the effect of dissolved salt on the freezing poin...

A simple microscope forms an image 10cm from an eye close to the lens. If the object is 6cm from the...