A wave has a wavelength of 9 mm and a frequency of 6 hertz. What is its speed?

How do you calculate friction

A student wanted to investigate whether or not the temperature of the water would affect the solubility of sugar. She had three glasses of water each with 200 mL of water in them.

Which object is an insulator?

The overgrowth of algae on the surface of this water is caused by

Reflection and abssorption prevent some

A pulley system used to lift car tires has a mechanical advantage of 8.1. If you pull on the pulley with a force of 540 N, how much force does the pulley exert on the tire?

An object of mass 1000 kg, initially having a velocity of 100 m/s, decelerates to a final velocity of 20 m/s. what is the change in kinetic energy of the object, in kj?

Find the momentum of a 25 kg object going 4m/s to the right.

In the following diagram, the clockwise torque is equal to ___.

A stone was dropped off a cliff and hit the ground with a speed of 112 ft/s. what is the height of the cliff? (use 32 ft/s2 for the acceleration due to gravity.) ft ft