Jai-Anne who has a mass of 45 kilograms, climbed 3 m up a ladder to rescue her cat from a tree. How much work against gravity did she do?

A ski lift carries people along a 220-meter cable up the side of a mountain. Riders are lifted a total of 110 meters in elevation. What is the idea mechanical advantage of the ski lift?

A force of 45 N is exerted on an object, resulting in an acceleration of 5 m/s^2 for the object. What will the objects acceleration be if the force doubles.

For a plane mirror, how is the object s related to the distance s?

What is the best example of rotational motion

How does gravity affect maglev trains?

This particle is found in the nucleus and adds mass to the nucleus, but changing its number does not change what the element is. This particle is the A. proton. B. photon. C. neutron. D. electron.

Projectile motion is an example of what kind of motion

What can change scientific knowledge?

6. What is ductility?

During practice, a baseball player hits a very high fly ball, and then runs in a straight line and catches it. Which had the greatest displacement during the time period from the hitting of the ball to its catching