A 62 kg stunt- woman falls off a bridge and travels 27.5 before colliding with a pile of mattresses. The mattresses are compressed 2.25 m before she is brought to rest. Calculate the magnitude of the average force exerted by the mattresses on the stunt-woman.
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A 62 kg stunt- woman falls off a bridge and travels 27.5 before colliding with a...
?A 1,800-kg pile driver is used to drive a steel I-beam into the
ground. The pile driver falls 3.60 m before coming into contact
with the top of the beam, and it drives the beam 14.2 cm farther
into the ground as it comes to rest. Using energy considerations,
calculate the average force the beam exerts on the pile driver
while the pile driver is brought to rest.
A 1,800-kg pile driver is used to drive a steel I-beam into...
A 2 000-kg pile driver is used to drive a steel I-beam into the ground. The pile driver falls 4.80 m before coming into contact with the top of the beam, and it drives the beam 15.0 cm farther into the ground before coming to rest. Using energy considerations, calculate the average force the beam exerts on the pile driver while the pile driver is brought to rest. magnitude N
A 2 400-kg pile driver is used to drive a steel I-beam into the ground. The pile driver falls 3.80 m before coming into contact with the top of the beam, and it drives the beam 15.4 cm farther into the ground before coming to rest. Using energy considerations, calculate the average force the beam exerts on the pile driver while the pile driver is brought to rest. magnitude direction --Select-- 1
A 2,400-kg pile driver is used to drive a steel I-beam into the ground. The pile driver falls 4.80 m before coming into contact with the top of the beam, and it drives the beam 13.4 cm farther into the ground as it comes to rest. Using energy considerations, calculate the average force the beam exerts on the pile driver while the pile driver is brought to rest. what is the magnitude and direction?
5. A 65.0-kg woman steps off a 10.0-m diving platform and drops straight down into the water. After entering the water she continues falling through the water until she reaches a depth of 4.00 m. a. Calculate the work done on the woman by gravity and by the water. Ignore air resistance. b. What is the average net force exerted on her over this 4.00-m displacement in the water? c. How does the average net force exerted on the woman...
A movie stunt person (mass 80 kg) steps off the roof of a burning building (20 m above the ground.) A 3.0 m thick airbag rests on the ground and cushions their fall. a) Draw a motion diagram for the stunt person from the moment they step off the roof to the moment they come to rest in the airbag. b) Determine the force exerted by the airbag on the stunt person while they are crashing into it. Hint: First...
A 62-kg woman in an elevator is accelerating downward at a rate of 1.6 m/s2. What is the magnitude of the force exerted by the elevator floor on the woman's feet?
A spaceship takes off vertically from rest with an acceleration of 27.5 m/s2.27.5 m/s2. What magnitude of force FF is exerted on a 54.0 kg54.0 kg astronaut during takeoff? Express FF as a multiple of the astronaut's weight ww on Earth.
A 73.8 kg man steps out a window and falls (from rest) 1.13 m to a sidewalk. What is his speed just before his feet strike the pavement? If the man falls with his knees and ankles locked, the only cushion for his fall is a 0.518 cm give in the pads of his feet. Calculate the average force exerted on him by the ground in this situation. This average force is sufficient to cause cartilage damage in the joints...
A 67.0 kg diver falls from rest into a swimming pool from a height of 5.30 m. It takes 1.70 s for the diver to stop after entering the water. Find the magnitude of the average force exerted on the diver during that time.