How Do Physics Principles Explain a Car's Trajectory and Collision Dynamics?

[Jessicaelleig]

Velocity, displacement?
Please help me to solve this! I have no idea!

The brakes of a car failed and the car travels at a constant velocity of 45 m/s off a 27 m cliff.

A) How far from the cliff does the car hit the ground?

B)When it hits the ground, it skids off 13 m/s with a coefficient of friction of 0.55. What's the deceleration of the car?

C) The car travels 5 m when it crashes into a stationary 650 kg Honda Civic. The collision is elastic. The velocity of the original car is 2 m/s after the collision. What is the velocity of the Honda Civic after the crash?

Please give me tips on how to solve this! i will give 10 points to the best answer!]

 

[LowlyPion]

As you should know you need to supply some effort to solve it.

If you are lost for equations, go rummage about in this equation bin and see what might fit your needs:
https://www.physicsforums.com/showpost.php?p=905663&postcount=2