Abowling ball encounters a 0.760-m vertical rise on the way back to the ball rack, as the drawing illustrates. ignore frictional losses and assume that the mass of the ball is distributed uniformly. the translational speed of the ball is 8.57 m/s at the bottom of the rise. find the translational speed at the top.

An inclined plane wrapped around a metal shaft is a a. lever b. screw c. pulley d. wedge

Along wire carrying a 4.2 a current perpendicular to the xy-plane intersects the x-axis at x=−1.7cm. a second, parallel wire carrying a 3.0 a current intersects the x-axis at x=+1.7cm. part a at what point on the x-axis is the magnetic field zero if the two currents are in the same direction? express your answer to two significant figures and include the appropriate units.

What is the gravitational attraction between a dating couple whose centers of mass are 0.630 m apart if the boy weighs 715 n and the girl weighs 465 n?