- 3 1 Kg 10 1 M S 4 3 M 010 Part 1 Of 2 1 0 Points A Roller Coaster Cart Of Mass M 299 Kg Starts Stationary At Point A 1 (115.39 KiB) Viewed 49 times
3.1 kg 10.1 m/s 4.3 m 010 (part 1 of 2) 1.0 points A roller coaster cart of mass m = 299 kg starts stationary at point A, where hi = 31.4 m and a while later is at B, where h2 = 8.4 m. The acceleration of gravity is 9.8 m/s². μk 29° 3.1 kg AC B Determine the magnitude of the change in the block's kinetic energy. Answer in units of J. h MO 004 (part 2 of 4) 1.0 points Determine the change in the block's potential energy Answer in units of J. What is the potential energy of the cart relative to the ground at A? Answer in units of J. 005 (part 3 of 4) 1.0 points Assumed: The frictional force is constant. Determine the magnitude of the frictional 011 (part 2 of 2) 1.0 points What is the speed of the cart at B, ignoring - 2 khan (aak3544) – Energy Quiz – immekus – (31415) the effect of friction? Answer in units of m/s. 440 g