An 80.0 - kg skydiver jumps out of a balloon at an altitude of1.00 x 103 m and opens the parachute at an altitude of 200.0 m.(a) Assuming that the total retarding force on the diver isconstant at 50.0 N with the parachute closed and constant at3.60 x 103 N with the parachute open, what is the speed ofthe diver when he lands on the ground? (b) Do you think theskydiver will get hurt? Explain. (c) At what height should theparachute be opened so that the final speed of the skydiverwhen he hits the ground is 5.00 m/s? (d) How realistic is theassumption that the total retarding force is constant? Explain.
An 80.0 - kg skydiver jumps out of a balloon at an altitude of1.00 x 103 m and opens the parachute at an altitude of 200.0 m.(a) Assuming that the total retarding force on the diver isconstant at 50.0 N with the parachute closed and constant at3.60 x 103 N with the parachute open, what is the speed ofthe diver when he lands on the ground? (b) Do you think theskydiver will get hurt? Explain. (c) At what height should theparachute be opened so that the final speed of the skydiverwhen he hits the ground is 5.00 m/s? (d) How realistic is theassumption that the total retarding force is constant? Explain.
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter8: Potential Energy And Conservation Of Energy
Section: Chapter Questions
Problem 66P: A T-shirt cannon launches a shirt at 5.00 m/s from a platform height of 3.00 m from ground level....
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An 80.0 - kg skydiver jumps out of a balloon at an altitude of
1.00 x 103 m and opens the parachute at an altitude of 200.0 m.
(a) Assuming that the total retarding force on the diver is
constant at 50.0 N with the parachute closed and constant at
3.60 x 103 N with the parachute open, what is the speed of
the diver when he lands on the ground? (b) Do you think the
skydiver will get hurt? Explain. (c) At what height should the
parachute be opened so that the final speed of the skydiver
when he hits the ground is 5.00 m/s? (d) How realistic is the
assumption that the total retarding force is constant? Explain.
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