The weapon used by the jawa surrounds r2-d2 with a strong electric field, which is created by a large imbalance of

electrons

chemical bonds

neutrons

the force

An automobile steering wheel is shown. what is the ideal mechanical advantage? if the ama is 8, what is the efficiency of the steering wheel?

Aplayground slide is 8.80 ft long and makes an angle of 25.0° with the horizontal. a 63.0-kg child, initially at the top, slides all the way down to the bottom of the slide. (a) choosing the bottom of the slide as the reference configuration, what is the system's potential energy when the child is at the top and at the bottom of the slide? what is the change in potential energy as the child slides from the top to the bottom of the slide? (include the sign of the value in your answer.)

The three classes of rocks are sedimentary, metamorphic, and igneous. how are rocks classified into one of these three groups?