What is the average force that actson him during this time

Reference no: EM13650832

when landing from jumping up, a person should bend hisknees to avoid injury. A 75kg man just before contact withthe ground has a speed if 6.4m./s

a) in a stiff legged landing (no bend in knees) hecomes to a halt in 2.0*10^-3s. what is the average force that actson him during this time.

b) when he bends his knees, he comes to a halt in 0.10 s. whatis the average force that acts on him during this time.

Reference no: EM13650832

Questions Cloud

Explain when two layers from during a petroleum ether : When two layers from during a petroleum ether/water extraction. what would be an easy way to tell which layer if which if the density were not available

Grammar practice : Identify a Website that provides college students with grammar practice and other activities -

What impulse does the player apply to the ball : a volleyball spiked so that its incoming velocity of +4.0m/sis changed to an outgoing velocity of -21m/s. The mass of thevolleyball is 0.35 kg. what impulse does the player apply to the ball

State extraction procedure specifies that aqeuous solution : An extraction procedure specifies that an aqeuous solution containing dissoloved organic material be extracted twice with 10mL portions of diethyl ether.

What is the average force that actson him during this time : when landing from jumping up, a person should bend hisknees to avoid injury. A 75kg man just before contact withthe ground has a speed if 6.4m./s, what is the average force that actson him during this time

What was the force exerted on the bullet : A 3.0-g bullet traveling at 350 m/s hits a tree and slows down uniformly to a stop while penetrating a distance of 12 cm into the tree's trunk. What was the force exerted on the bullet in bringing it to rest

Explain what is the final temperature : If 275g of liquid water at 100 degrees C and 475g of water at 30 degrees C are mixed in an insulated container, what is the final temperature

How much more work is done in stretching the spring : A particular spring has a force constant of 2.5 X 103N/m. How much more work is done in stretching the spring an additional 2.0 cm

Define conformations of a cis-12- disubstituted cyclohexane : The two chair conformations of a cis-1,2- disubstituted cyclohexane such as the one you made with models appear on superficial examination to be enantiomers. Draw the two apparent enantiomers using X as the substituent.

User Account

All Pages