Which two simple machines are part of an axe?

A. lever and wedge

B. blade and handle

C. inclined plane and screw

D. wedge and inclined plane

The Statue of Liberty is made out of copper and was once shiny and copper-colored. Over the years, the copper has gone through a process called oxidation, where it has changed into a new material.

A passenger at an airport pulls a rolling suitcase by its handle. If the force used is 10 N and the handle makes an angle of 25 degrees to the horizontal, what is the work done by the pulling force while the passenger walks 200 m?

One horsepower is equal to how many watts

Jack pulls a sled across a level field by exerting a force of 110 n at an angle of 30 with the ground. what are the parallel and perpendicular components, respectively, of this force with respect to the ground?

What is the best description of the energy stored in a stretched or compressed object? A) gravitational potential B) potential energy C) elastic potential D) spring constant

Facts about light years

A tennis racket hits a tennis ball with a force of F=at-bt2, where a = 1200 N/ms, b = 370 N/ms2, and t is the time (in milliseconds). The ball is in contact with the racket for 2.70 ms. If the tennis ball has a mass of 64.

Which statement is wrong? 1. Temperature measures the average kinetic energy of random motion, but not other kinds of energy. 2. Adding the same amount of heat to two different objects will produce the same increase in temperature. 3.

What is the scientific term for rocks formed in to magma

The block compresses the spring a maximum distance of 13.00 cm from its rest position. The coefficient of kinetic friction between the block and the horizontal surface is 0.260. What is the work done by the spring in bringing the block to rest