A ball has a horizontal velocity of 200 m/s when it begins to fall from a height of 490m.
• What time will it take to land?
• What will be it's Range?
A. Time = 100 s
Range = 490 m
B. Time = 10 s
Range = 2000 m
C. Time = 10 s
Range = 490 m
D. Time = 100 s
Range = 200 m

A100 kg running back runs at 5m/s into a stationary linebacker. it takes 0.5 for the running back to be completely stopped

Wind and moving water provide energy. question 1 options: chemical mechanical thermal none of the above

Complete these sentences. if a roller coaster train has a potential energy of 1,500 j and a kinetic energy of 500 j as it starts to travel downhill, its total energy isj. once the roller coaster train gets closer to the bottom of the hill, its kinetic energy increases to 1,100 j, and its potential energy decreases to j. when the train reaches the bottom of the track and is traveling along the ground, its kinetic energy isj.