Two iron weights, one twice the mass of the other, are dropped from the top of a building. compared with the lighter weight, the twice as heavy weight will hit the ground

Work = force × a. work b. energy c. distance d. momentum

Use the right-hand rule for magnetic force to determine the charge on the moving particle. this is a charge.

Which of the following situations is impossible? a) an object has velocity directed east and acceleration directed east. b) an object has zero velocity but non-zero acceleration. c) an object has constant non-zero velocity and changing acceleration. d) an object has velocity directed east and acceleration directed west. e) an object has constant non-zero acceleration and changing velocity.