ma (m=56.2 kg) is traveling at a speed of 12.8 m/s at the top of a 19.5-m high roller coaster loop. a. Determine Ima's kinetic energy at the top of the loop. b. Determine Ima's potential energy at the top of the loop. c. Assuming negligible losses of energy due to friction and air resistance, determine Ima's total mechanical energy at the bottom of the loop (h=0 m). d. Determine Ima's speed at the bottom of the loop.
ma (m=56.2 kg) is traveling at a speed of 12.8 m/s at the top of a 19.5-m high roller coaster loop. a. Determine Ima's kinetic energy at the top of the loop. b. Determine Ima's potential energy at the top of the loop. c. Assuming negligible losses of energy due to friction and air resistance, determine Ima's total mechanical energy at the bottom of the loop (h=0 m). d. Determine Ima's speed at the bottom of the loop.
Chapter3: Energy And Conservation Laws
Section: Chapter Questions
Problem 39P: . In the annual Empire State Building race, contestants run up 1,575 steps to a height of 1,050 ft....
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ma (m=56.2 kg) is traveling at a speed of 12.8 m/s at the top of a 19.5-m high
roller coaster loop.
a. Determine Ima's kinetic energy at the top of the loop.
b. Determine Ima's potential energy at the top of the loop.
c. Assuming negligible losses of energy due to friction and air resistance,
determine Ima's total mechanical energy at the bottom of the loop (h=0
m).
d. Determine Ima's speed at the bottom of the loop.
*only answer d
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