3. A vehicle is on a hill that has a 20 degree angle below the horizontal. An irresponsible driver leaves the vehicle in neutral. The vehicle rolls backwards
toward the edge of the cliff. The acceleration is 2.37 m/s2 and the distance
traveled is 55m before the vehicle reaches the edge of the cliff.
a. How much time will the vehicle be in the air after leaving the cliff?
b. How far horizontally will the vehicle be away from the cliff when it lands?

What is the role of the ocular lens?

Mutt and jeff are running along a path each pushing a cart loaded with rocks. if mutt's wagon has a mass two times greater than jeff's and they want to stay together, arriving at their destination at the same time, what must happen? a) jeff should slow down so mutt can catch up. b) mutt must use half as much force to push his cart. c) mutt must use twice as much force to push his cart. d) mutt and jeff will use the same force, but mutt will take bigger steps.

Although longitudinal waves can travel through all media types what is the disadvantage of this type of wave transmission? a) he efficiency of he wave transmission is greatly diminished as the media becomes less dense b) the oscillation of one set of particles has a huge impact on neighboring particles c) particles become too close together as they bump into each other making it more likely to hit other particles down the line