To lift a load to roof, you apply 21 n of force to a pulley. the pulley applies 21 n of force to the load. what is the mechanical advantage of the pulley?

What lab equipment would be used to measure volume?

At what distance along the central axis of a uniformly charged plastic disk of radius R = 0.525 m is the magnitude of the electric field equal to 1/5 times the magnitude of the field at the center of the surface of the disk?

How much work is done in holding a 15N sack of potatos while waiting in line at the grocery store for 3 minutes

An astronaut wing 580 N on earth notices that an astronaut wing 580 N on earth notices that he Waze only 98 N on the moon is mass on the moon is blank KG

Racing cars driven by chris and kelly are side by side at the start of a race. the table shows the velocities of each car (in miles per hour) during the first ten seconds of the race.

Ich of the following is not accurate when describing solids? A. The amount of pressure exerted by a solid is solely dependent on its mass. B. Molecules in solids are closer together than molecules in liquids. C.

Showing how a projectile motion is parabolic

In deep space, there is very little friction. Once they launch a probe into deep space, where there are no external forces acting on it, scientists shut the probe's engines off because the scientists want the probe to

What is the atmosphere and why is it important?

A loud sound is produced in the downtown section of a city. Which of the following is least likely to occur with sound wave.