Define turbulent flow

Does water expand more as the temperature drops even more below 0 deg? I am worried about the coolant in my rad. as the temp. is 40deg below.

What is simple harmonic motion

The device which is used to increase or decrease the voltage of electricity is called

Jan's teacher showed the class a mirror, a lit flashlight, a burning candle, a thick scarf, a woolen mitten, and a sparkly sticker. Jan's group observed the objects and made a list of those that give off heat.

Two lab partners are doing a static electricity investigation. They begin with a negatively-charged aluminum pie plate. After conducting the procedure, they observe that the pie plate has become electrically neutral.

A moving ball rolls into a stationary ball. the total momentum of both balls after the collision will be

A train's mass is 18181.81 kg. What is its weight?

A body of mass 20kg is set in motion by two forces 3N and 4N acting at right angles to each other, determine the magnitude of the acceleration

Gerry and Lena work in a modern physics laboratory and study nanotechnology, which is a new type of technology that allows control over individual particles as small as molecules or atoms.

What can you do to reduce the electric uses within your home?