What is the mechanical advantage of a pulley?

Estimate how much mass the sun loses through fusion reactions during its 10-billion-year life. you can simplify the problem by assuming the sun's energy output remains constant.

An initially stationary 2.3 kg object accelerates horizontally and uniformly to a speed of 8 m/s in 3.0 s. (a) In that 3.

What is the force that keeps the planets in orbit

Again I ask ... what are the 4 basic stages of Ideological Subversion?._. Man this place is dead ...

Which is warmer - 30 degrees Celcius or - 30 degrees Fahrenheit? And how would i show my work for this question?

A runner with a mass of 75kg runs 6m/s calculate the kinetic energy stored in the runner

Watt which is a unit of power is equal to

A certain wave has a wavelength of 35 meters and a frequency of 4.0hz. What is the speed of the wave

What is the Force in Newtons exerted by an object with a mass of 15 kg and an Acceleration of 12 m/s2?

A large metallic sphere insulated from ground is charged with an electrostatic generator while a person standing on an insulating stool holds the sphere. why is it safe to do this?