2. A rifle can shoot a 4.00 g bullet at a speed of 998 m/s a. find the kinetic energy of the bullet
b. What work is done on the bullet starts from
c. If the work is done over a distance of 0.75 m, what is the memye force on
the bullet?
d. If the bullet comes to rest after penetrating 1.50 cm into a piece oti mell,
what is the magnitude of the force bringing it to me

Two point charges are on the y axis. a 3.90-µc charge is located at y = 1.25 cm, and a -2.4-µc charge is located at y = −1.80 cm. (a) find the total electric potential at the origin. v (b) find the total electric potential at the point whose coordinates are (1.50 cm, 0). v

Two balls, each with a mass of 0.5 kg, collide on a pool table. is the law of conservation of momentum satisfied in the collision? explain why or why not

Ablue car pulls away from a red stop-light just after it has turned green with a constant acceleration of 0.5 m/s 2 . a green car arrives at the position of the stop-light 6.5 s after the light had turned green. if t = 0 when the light turns green, at what time does the green car catch the blue car if the green car maintains the slowest constant speed necessary to catch up to the blue car? answer in units of s.