(figure 1)a roller coaster car may be approximated by a block of mass m. The car, which starts from rest, is released at a height h above the ground and slides along a frictionless track. The car encounters a loop of radius r, as shown. Assume that the initial height h is great enough so that the car never loses contact with the track.

Henry just set up direct deposit from his employer to his checking account. the equation y=360x-126.13 represents the balance in henry's account if he deposits his weekly paycheck for x weeks. based on this equation, which of the following statements is true? a) henry earns $126.13 per weekb) henry made an initial deposit of $126.13c) before setting up the direct deposit, henry had overdrawn his accountd) when henry set up the direct deposit, he already had $360 in his account

Which statements about the two fossil images are correct? 1. cave bears are ancestors of plateosaurus. 2. plateosaurus were present on earth before ostracoderms. 3. ostracoderms were the first to die. 4. plateosaurus died after the ostracoderms. 5. cave bears are the oldest fossils.

Which object has the least amount of kinetic energy? a. a car driving down a road b. a soccer ball rolling down a hill c. a bicycle locked to a bike rack d. a satellite orbiting earth