A 5-kg brick sliding on an ice covered pond has a kinetic energy of 16 Joules. a box of identical mass but half the speed is sliding on the same ice. How many Joules of kinetic energy does the brick have?

Why a soccer ball that is quickly rolling across a grass field slows and finally stops rolling

A pelican is flying with a momentum of 50 kg. m. m/s. If it is flying 5 m/s east, what is the mass of the pelican?

A bullet of 5 gm is fired from a pistol of 1.5 kg. If the recoil velocity of pistol is 1.5 m/s, find the velocity of bullet.

Suppose you are planning a trip in which a spacecraft is to travel at a constant velocity for exactly six months, as measured by a clock on board the spacecraft, and then return home at the same speed.

An atom of nitrogen has five valence electrons. How could a nitrogen atom become more chemically stable

When you put your hands on a cold object like a glass of ice water your hands become?

TP2 2) An example of a 3rd gen lever is: a) scissors b) the occipito-atloid joint c) the trolley to transport the O2 tube d) the biceps muscle

A car increases its speed from 20 km/s to 50 km / h in 10 seconds what its is acceleration?

Marina is using a metal spoon to stir her soup. Why does the soup feel warm? Marina's hand warms the spoon she is holding heat energy from the soup is transferred to the spoon heat energy from the spoon is transferred to the soup

A 1180kg car is moving at a speed of 85.5 km/h. Find the force needed to bring the car to rest in a distance of 300m