An ice skater of mass 67 kg is moving to the east at 4 m/s She collides with a stationary man of 70 kg and she grabs hold of him to make sure he
doesn't fall over What is their final momentum in this inelastic collision,
and in what direction do they travel after the collision? Give your answer to
3 significant figures​

20. threshold braking in the vehicle's braking system occurs when a. the brake pedal is pushed, heel on floorboard, with full foot pressure. b. the brakes are exerting full braking power, without traction loss. c. the driver begins pushing down the brake pedal, with moderate slowdown. d. the brakes just begin to take hold with a gradual slowdown.

Amodel rocket with a mass of 0.212 kg is launched into the air with an initial speed of 84 m/s. how much kinetic energy will the rocket have at a height of 214 m? assume there is no wind resistance. 634 j 303 j

Because light travels in a straight line and casts a shadow, isaac newton hypothesized that light is