A girl performs 300 J of work lifting a weight to a height of 2 m. How much

force does she apply? Assume there is no friction.

O

A. 150 N

O B. 600 N

O C. 450 N

O D, 300 N

What force is used to make the back-and-forth motion of a swing higher? A. scrape B. pull C. push

A horizontal force of 400.0 N is required to pull a 1760 N truck across the floor at a constant speed. Find the coefficient of sliding friction.

Low-viscosity lava a. is most often a cool-temperature lava. b. could logically build a composite volcano. c. has low silica content. d. indicates an area that has high potential for explosive eruptions.

Moving a magnet inside a coil of wire will induce a voltage in the coil. How can the voltage in the coil be increased? A. Hold the magnet stationary. B. Move the coil of wire slowly, and keep the magnet stationary. C.

The plates on a vacuum capacitor have a radius of 2.5 mm and are separated by a distance of 0.75 mm. What is the capacitance of this capacitor? 2.3 * 10-13 F 9.3 * 10-11 F 3.0 * 10-11 F 2.3 * 10-10 F

Which of the following is an example of the strong nuclear force acting in an atom? A. A proton repelling a proton B. A neutron attracting a neutron C. A neutron repelling an electron D. An electron attracting a proton

Does the air in our atmosphere have mass?

Your instructor hands you a closed flask partly filled with room-temperature water. When you hold it, the heat transfer between your bare hands and the flask causes the water to boil. Quite impressive! How is this accomplished?

Drag each label to the correct location on the chart. Sort the items based on whether they are simple machines or compound machines. sewing machine pair of tongs fishing rod and reel seesaw wheelbarrow crane Reset Next

How long do you stay in school here in Auburn schools