You test a machine and find that it exerts a force of 5 N for each 2 N of force you exert operating the machine. What is the actual mechanical advantage of the machine?

Having some knowledge of psychology, you'll shine your shoes and "dress for success" before going to a job interview because you want to

Four springs are stretched to the same distance from the equilibrium position. The spring constants are listed in the table. A 2 column table with 4 rows. The first column is labeled spring with entries W, X, Y, Z.

Javier's notebook has fallen out of his bag and is on the floor of the bus. Before he can grab it, the bus accelerates forward and Javier's notebook slides backward. Why does his notebook move this way?

When a liquid is heat but not boiling there is an increase in potential energy, kinetic energy, or all of the above

3. A stone is thrown upward at an angle. What happens to the horizontal component of its velocity as it rises

A light wave is traveling straight up out of the ocean then moves out into the air how do you expect the movement of the light wave to change the light wave will

To verify that this expression for (vf) α has the correct units of velocity, you need to perform some unit analysis. begin by finding the equivalent of a volt in terms of basic si units.

Which of the following best describes transverse waves

What are the arrangement of resistors in series

A pilot flies horizontally at 1300 km/h, at height h! 35 m above initially level ground. However, at time t! 0, the pilot begins to fly over ground sloping upward at angle u! 4.3° (Fig. 2-38).