A force of 100 N is used to move a chair 2 m. How much work is done?

What cities (more than 1) has many fronts

What scientific principle (s) does the toy yo-yo use? Explain in simple words if you can.

If you lose control of your vehicle and collide with a fixed object, such as a tree, at 60 m. p. h., the force of impact is the same as driving your vehicle off a

What is wave diffraction? A. absorbing of a wave B. traveling through the medium C. bending of the wave D. bouncing off of the wave

what kind of charges will a sheet of paper have after it has been rubbed with wool, fur, silk? ... ?

An automobile accelerates from rest at 1 + 3 * sqrt (t) mph/sec for 9 seconds. how far does it travel in those 9 sec?

A glass lens, n glass = 1.52, has a 131 nm thick antireflective film coating one side, n film = 1.25. White light, moving through the air, is perpendicularly incident on the coated side of the lens.

An automobile steering wheel is shown. The ideal mechanical advantage of this wheel and axle is. If a driver must exert a force of 2 N to overcome an axle resistance of 16 N, the AMA of the steering wheel is and its efficiency is__ %.?

How does the law of conservation of energy apply to machines? -Machines create energy from scratch. -Machines consume energy until no energy remains. -Energy transferred to a machine equals energy transferred from it.

As you turn up the volume on your mp3 player you are increasing