A 0. 05-kg car starts from rest at a height of 0. 95 m. Assuming no friction, what is the kinetic energy of the car when it reaches the bottom of the hill? (assume g = 9. 81 m/s2. ).

Astudy group should stay around 3-6 people. true or false

Remote sensing of the earth's surface and atmosphere may involve the use of what type of instruments?

Two technicians are discussing how to test a car's exhaust by holding a small piece of paper within an inch of the tailpipe mouth. technician a says that if the paper is vibrating due to a "puffing" output from the tailpipe, this signals a smoothly running engine. technician b says that if the paper is being drawn toward the tailpipe, this could indicate burned exhaust valves. who is correct? a. technician b b. both technicians a and b c. technician a d. neither technicians a or b