ning a perpendicular in top sign. Cal Mas 800 kg and is ding 15 m/s. Car 2 has mass m₂ = 700 kg and is heading west at an unknown speed v2. The two cars collide at the nd stick together as a result of the collision. The police report stated that after the collision, the two cars moved irection 40° west of north and stopped after sliding d = 35 m from the collision point.

Two average forces. A steady stream of 0.250 kg snowballs is shot perpendicularly into a wall at a speed of 4.00 m/s. Each ball sticks to the wall. the magnitude F of the force on the wall as a function of time t for two of the snowball impacts. Impacts occur with a repetition time interval tr  50.0 ms, last a duration time interval td  10 ms, and produce isosceles triangles on the graph, with each impact reaching a force maximum Fmax  200 N. During each impact, what are the magnitudes of (a) the impulse and (b) the average force on the wall? (c) During a time interval of many impacts, what is the magnitude of the average force on the wall?

A 48.3 kg student runs down the sidewalk andjumps with a horizontal speed of 4.34 m/sonto a stationary skateboard. The studentand skateboard move down the sidewalk witha speed of 4.07 m/s. a) Find the mass of the skateboard.Answer in units of kg. I got 3.204177 kg b) How fast would the student have to jumpto have a final speed of 5.27 m/s?Answer in units of m/s. I'm getting 5.6196 m/s, but my online homework is prompting me with an incorrect guess. My work is shown in the picture.

help please  If a 10 kg bowling ball, moving at 8 m/s to the right, hits and bounces off a second bowling ball with a mass of 14 kg , moving at 9 m/s to the left, find the magnitude of the final speed of the second ball.