Acar traveling down the interstate accelerates to pass a truck. the car accelerates at a rate of 2.8 m/s2 for 3.9 seconds and reaches a speed of 30.9 m/s. calculate how fast the car was going before it accelerated to pass the truck. a 86.5 m. s b 27.7 m/s c 20.0 m/s d 41.8 m/s e 16.3 m/s

To practice problem-solving strategy 10.1 for energy conservation problems. a sled is being held at rest on a slope that makes an angle θ with the horizontal. after the sled is released, it slides a distance d1 down the slope and then covers the distance d2 along the horizontal terrain before stopping. find the coefficient of kinetic friction μk between the sled and the ground, assuming that it is constant throughout the trip.

Calculate 9 ∙ 10-5 divided by 3 ∙ 10-9. (box after the "10" in answer is for the

How does the motion of an airplane compare to the motion of a rocket ?