A body of 6 kg mass moves by8m/s and another bodyof 10 kg moving at 4 m/s in the opposite direction .if the first body caused by the collisionof return back along the same path with a speed of 5 m/s find the velocity of the second body after impact​

Suppose a wheel with a tire mounted on it is rotating at the constant rate of 2.15 times a second. a tack is stuck in the tire at a distance of 0.373 m from the rotation axis. noting that for every rotation the tack travels one circumference (a) find the tack's tangential speed. (b) what is the tacks radial acceleration?

Two forces produce equal torques on a door about the door hinge. the first force is applied at the midpoint of the door; the second force is applied at the doorknob. both forces are applied perpendicular to the door. which force has a greater magnitude?

Acertain radio station broadcasts radio waves that have a wavelength of 298cm what is its broadcast frequency?