On the 'White Knuckle' roller coaster, the track does a loop-the-loop as shown in(Figure 1). At the top of the 6.4 m -radius loop the car and riders are at a speed of 9.6 m/s. The riders are, of course, held in their seats by seatbelts. Figure At the top, both forces point downward and the car is momentarily in uniform circular motion. 1 of 1 Gravity is always downward, but at this point the normal force is horizontal. The net force isn't toward the center, and the car is slowing as well as changing direction. Part B At the top of the loop, what is the magnitude of the force exerted on a 65 kg rider by the roller-coaster seat? Express your answer using two significant figures. ► View Available Hint(s) F = 195| ΑΣΦ Submit Part C ? At the top of the loop, what is the direction of the force exerted on a 65 kg rider by the seatbelt ? upward downward O this force has no direction, it is (approximately) zero Submit Request Answer N

On the 'White Knuckle' roller coaster, the track does a loop-the-loop as shown in(Figure 1). At the top of the 6.4 m -radius loop the car and riders are at a speed of 9.6 m/s. The riders are, of course, held in their seats by seatbelts. Figure At the top, both forces point downward and the car is momentarily in uniform circular motion. 1 of 1 Gravity is always downward, but at this point the normal force is horizontal. The net force isn't toward the center, and the car is slowing as well as changing direction. Part B At the top of the loop, what is the magnitude of the force exerted on a 65 kg rider by the roller-coaster seat? Express your answer using two significant figures. ► View Available Hint(s) F = 195| ΑΣΦ Submit Part C ? At the top of the loop, what is the direction of the force exerted on a 65 kg rider by the seatbelt ? upward downward O this force has no direction, it is (approximately) zero Submit Request Answer N

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter4: Motion In Two And Three Dimensions

Section: Chapter Questions

Problem 64P: A runner taking part in the 200-m dash must run around the end of a track that has a circular arc...

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