Kara built a model of how molecules behave when they are in solid form. she filled a clear plastic box with marbles to the very top and put the lid on the box. when she shakes the box, the marbles can barely move. which of the following is a limitation of kara's model?

Aturntable a is built into a stage for use in a theatrical production. it is observed during a rehearsal that a trunk b starts to slide on the turntable 10 s after the turntable begins to rotate. knowing that the trunk undergoes a constant tangential acceleration of 0.31 m/s2, determine the coefficient of static friction between the trunk and the turntable.

As the distance from a magnet increases, what happens to the magnet force?

Petroleum contains energy. a. light b. kinetic c. chemical d. mechanical