25. A bat strikes a ball into the outfield. If the action force is the bat hitting the ball, the reaction force is
A. the bat being dropped
B. the ball hitting the ground
C. the ball flying into the air
O
D. the ball hitting the bat

An electric clothes dryer has a resistance of 8 ohms. it draws 30 a of current. what is the voltage, in volts, of the wall outlet that it is plugged into?

Panel bc in fig. p2.76 is semi-circular, with the 3 meter radius and horizontal straight edge through point b. compute (a) the hydrostatic force of the water on the panel, (b) its center of pressure, and (c) the moment of this force about point b. assume atmospheric pressure on the dry side of the panel

Which planet do you think would be easiest for humans to colonize some day?