A pole-vaulter just clears the bar at 5.80 m and falls back to the ground. The...
Homework Answers
3700 / 5.8 = 637.931034
=638 N
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A pole-vaulter just clears the bar at 5.80 m and falls back to the ground. The...
Chapter 06, Problem 32 A pole-vaulter just dlears the bar at 4.09 m and falls back...
Chapter 06, Problem 32 A pole-vaulter just dlears the bar at 4.09 m and falls back to the ground. The change in the vaulter's potential energy during the fall s 380 Number Units
To practice pole-vaulting, a 55kg pole-vaulter falls off a wall from 8.0m above the ground. A...
To practice pole-vaulting, a 55kg pole-vaulter falls off a wall from 8.0m above the ground. A 2.0m thick foam cushion is resting on the ground; however, he misses the cushion. The pole-vaulter sinks about .10m into the ground before stopping. What is the speed of the pole-vaulter when he hits the ground? What is the impulse exerted on the pole-vaulter by the ground as he comes to rest? What is the force exerted on the pole-vaulter by the ground as...
Two pole-vaulters just clear the bar at the same height. The first lands at a speed...
Two pole-vaulters just clear the bar at the same height. The first lands at a speed of 7.89 m/s, while the second lands at a speed of 8.15 m/s. The first vaulter clears the bar at a speed of 1.51 m/s. Ignore air resistance and friction and determine the speed at which the second vaulter clears the bar. Number Units
A 63kg pole vaulter running at 11 m/s vaults over the bar.
A 63kg pole vaulter running at 11 m/s vaults over the bar. Her speed when she is above the bar is 1.5 m/s. Neglect air resistance, as well as any energy absorbed by the pole, and determine her altitude as she crosses the bar.
7. Joe, a pole-vaulter, is holding a vaulting pole parallel to the ground. The pole is...
7. Joe, a pole-vaulter, is holding a vaulting pole parallel to the ground. The pole is 5 m long. Joe grips the pole with his right hand 10 cm from the top end of the pole and with his left hand 1 m from the top end of the pole. Although the pole is light (its mass is only 2.5 kg), the forces that Joe must exert on the pole to maintain it in this position are large. How large...
A 44-kg pole vaulter running at 10 m/s vaults over the bar. Her speed when she...
A 44-kg pole vaulter running at 10 m/s vaults over the bar. Her speed when she is above the bar is 1.4 m/s. Neglect air resistance, as well as any energy absorbed by the pole, and determine her altitude as she crosses the bar. m
A 69-kg pole vaulter running at 11 m/s vaults over the bar. Her speed when she...
A 69-kg pole vaulter running at 11 m/s vaults over the bar. Her speed when she is above the bar is 1.5 m/s. Neglect air resistance, as well as any energy absorbed by the pole, and determine her altitude as she crosses the bar. _____m
A pole vaulter is running at 8.7 m/s when he sets the pole and begins his...
A pole vaulter is running at 8.7 m/s when he sets the pole and begins his upward path. If, as he crosses over the bar at the highest point, his velocity is 0.39 m/s, what height did he attain? Assume no energy loss in the bending of the pole. *Technically, his center of mass Your work must show the solution using the Work-Energy Principle OR the Conservation of Energy Give your answer in meters to the correct number of significant...
QUESTION 3 A 54 kg pole vaulter intends to pass over a 6.9-meter high bar. She...
QUESTION 3 A 54 kg pole vaulter intends to pass over a 6.9-meter high bar. She needs to maintain a minimal speed of 0.79 m/s at the top in order to pass the bar. What is the minimum speed at which she should run in order to attain the height? Neglect air resistance, as well as any energy absorbed by the pole. Answer in units of m/s and round to one decimal place. Hints: Mechanical energy is conserved during vaulting....
A 54 kg pole vaulter intends to pass over a 6.4-meter high bar. She needs to...
A 54 kg pole vaulter intends to pass over a 6.4-meter high bar. She needs to maintain a minimal speed of 0.72 m/s at the top in order to pass the bar. What is the minimum speed at which she should run in order to attain the height? Neglect air resistance, as well as any energy absorbed by the pole Answer in units of m/s and round to one decimal place. Hints: Mechanical energy is conserved during vaulting. KE at...
Chapter 06, Problem 32 A pole-vaulter just dlears the bar at 4.09 m and falls back to the ground. The change in the vaulter's potential energy during the fall s 380 Number Units
Two pole-vaulters just clear the bar at the same height. The first lands at a speed of 7.89 m/s, while the second lands at a speed of 8.15 m/s. The first vaulter clears the bar at a speed of 1.51 m/s. Ignore air resistance and friction and determine the speed at which the second vaulter clears the bar. Number Units
7. Joe, a pole-vaulter, is holding a vaulting pole parallel to the ground. The pole is 5 m long. Joe grips the pole with his right hand 10 cm from the top end of the pole and with his left hand 1 m from the top end of the pole. Although the pole is light (its mass is only 2.5 kg), the forces that Joe must exert on the pole to maintain it in this position are large. How large...
A pole vaulter is running at 8.7 m/s when he sets the pole and begins his upward path. If, as he crosses over the bar at the highest point, his velocity is 0.39 m/s, what height did he attain? Assume no energy loss in the bending of the pole. *Technically, his center of mass Your work must show the solution using the Work-Energy Principle OR the Conservation of Energy Give your answer in meters to the correct number of significant...
A 54 kg pole vaulter intends to pass over a 6.4-meter high bar. She needs to maintain a minimal speed of 0.72 m/s at the top in order to pass the bar. What is the minimum speed at which she should run in order to attain the height? Neglect air resistance, as well as any energy absorbed by the pole Answer in units of m/s and round to one decimal place. Hints: Mechanical energy is conserved during vaulting. KE at...
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