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(01.07 LC)A car travels 25.0 meters in the first 10.0 seconds of a trip and 40.0 meters in the next 10.0 seconds of the trip. What is the average speed of the car in meters per second for the total trip?

(01.05 LC)A variable that can be manipulated by the scientist in an experiment is a(n)

(01.05 LC)A variable that is left unchanged between various trials by the scientist in an experiment is a(n)

(02.05 MC)An object is allowed to fall freely near the surface of an unknown planet. The object falls 72 meters from rest in 4.0 seconds. The acceleration due to gravity on that planet is

(03.01 LC)As an electron moves farther away from a proton, the electric force of attraction

(03.04 MC)An automobile of mass 2.46 E3 kg rounds a curve of radius 35.0 m with a velocity of 12.0 m/s. The centripetal force exerted on the automobile while rounding the curve is

(03.09 LC)If friction is present when an object is dropped and hits the ground, how does its kinetic energy just before striking the ground compare to its gravitational potential energy at the top of the drop?

(03.01 LC)Which of the fundamental forces holds the nucleus of an atom together?

(03.05 LC)An object traveling at a 15.0 m/s has a mass of 4.2 kg. What is the magnitude of the object’s momentum?

(03.08 MC)A crane raises a 250-N weight to a height of 2.0 m in 6.0 s. The crane’s power generated is