A 1650-kg car is traveling at 30.3 m/s. How fast must a 91.0-kg bicycle and rider be traveling to have the same kinetic energy as the car?
A 1650-kg car is traveling at 30.3 m/s. How fast must a 91.0-kg bicycle and rider...
A car is traveling at 12 m/s A. How fast would the car need to go to double its kinetic energy? B. By what factor does the car's kinetic energy increase if its speed is doubled to 24 m/s?
At what speed do a bicycle and its rider, with a combined mass of 100 kg, have the same momentum as a 1500kg car traveling at 4.0m/s ?
At what speed do a bicycle and its rider, with a combined mass of 100 kg, have the same momentum as a 1300kg car traveling at 1.2m/s ?
A 200-kg motorcycle and rider are traveling at 40 m/s. The rider notices a wreck ahead, applies the brakes, and manages to stop the car in 150 meters. Using work-energy, find the force of friction used to stop the car. (Pick the answer closest to the true value.) 12,500 newtons 3,375 newtons 387 newtons 1,067 newtons 2,280 newtons
A 7.0 kg bowling ball moves at 2.00 m/s. How fast must a 2.80 g Ping-Pong ball move so that the two balls have the same kinetic energy? m/s
2. In a completely inelastic collision, a 500 traveling west at 10 m/s. kg car traveling east at 30 m's hit a 2000 kg truck a. At what speed and in what direction will the joined car/truck go after the collision? b. Calculate the kinetic energy of the car before the collision. c. Calculate the kinetic energy of the truck before the collision. d. Calculate the kinetic energy of the joined car and truck together after the collision. e. How...
A 900-kg car traveling east at 15.0 m/s collides with a 750-kg car traveling north at 20.0 m/s. The cars stick together. Assume that any other unbalanced forces are negligible. a. What is the speed of the wreckage just after the collision? b. In what direction does the wreckage move just after the collision? c. How much kinetic energy is lost in this collision.
A 7.0 kg bowling ball moves at 2.50 m/s. How fast must a 2.40 g Ping-Pong ball move so that the two balls have the same kinetic energy? _____m/s
A 7.0 kg bowling ball moves at 2.25 m/s. How fast must a 2.80 g Ping-Pong ball move so that the two balls have the same kinetic energy?
A 900 Kg car is traveling east at 15 m/s when it collides with a 750 Kg car traveling north at 20 m/s. The cars stick together. What is the kinetic energy of the system after the collision?