Do you think that rubbing two pieces of woods together would have more or less friction than wood rubbing against smooth metal? why?

What is the reason that a fixed pulley makes work easier

What is the maximum number of s orbitals?

A jet of water issuing from a stationary nozzle at 10 m / s (aj = 0. l m2) strikes a turning vane mounted on a cart as shown. the vane turns the jet through angle fj = 40°. determine the value of m required to hold the cart stationary

How does the greenhouse effect work? Greenhouse gases directly warm oceans and cause dramatic weather. Greenhouse gases absorb the sun's energy, slowing or preventing heat from escaping into space.

A tow truck pulls a 1500 kilogram car wit a net force of 4000 Newtons. What's the acceleration?

Whats an example of projectile motion

The fact that the sun rises and sets at different times during the day depending on the time of year is an example of a data trend. True or False

What sample of matter is a single substance

What is a hydraulic machine and what is its purpose? Explain how a simple hydraulic machine performs work.

Is the muzzle velocity a scalar or vector quantity?