Why does a gymnast rub powder on his hands before exercising on a set of parallel bars? (I need a scientific answer)

To stop a 4.1 kg car moving at 9.2 m/services in 7.5 seconds requires a force of newtons

The pattern of weather in an area overtime is called

A train travels 20 km in 30 minutes. calculate the speed of the train in m/s

Which of Galileo's theories drew fire from the Catholic Church and led to his house arrest?

Two spheres of the same radius, but of different masses, are both fully submerged in water. The lighter sphere is held below the water line by a rope anchored to the bottom of the container. The heavier sphere is suspended from a rope.

Hat is a scientific theory? Make up your own scientific theory.

Which of the following is an example of a velocity? O A. 12 m/s O B. 45 km/hr south O C. 55 km/hr D. - 5 m/s2 east

What was the total weight (lbf) of chocolate in the vat? the specific gravity of chocolate is approximately 1.24?

You are in the lab and are given two rods set up so that the top rod is directly above the bottom one. The two straight rods 50-cm long are separated by a distance of 1.5-mm each with 15 A of current passing through them.

What is the explanation for feather beds being warm