Thursday
April 24, 2014

Homework Help: physics

Posted by Hannah on Sunday, November 14, 2010 at 3:40pm.

A person jumps from the roof of a house 4.9 m high. When he strikes the ground below, he bends his knees so that his torso decelerates over an approximate distance of 0.70 m. The mass of his torso (excluding legs) is 46 kg.

(a) Find his velocity just before his feet strike the ground.
1 m/s

(b) Find the average force exerted on his torso by his legs during deceleration.
Magnitude

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

physics - A person jumps from the roof of a house 4.0-m high. When he strikes ...
physics - A person jumps from the roof of a house 3.6 -m high. When he strikes ...
AP Physics - A person jumps from the roof of a house 3.0 m high. When he strikes...
physics - A person jumps from the roof of a house 4.0- high. When he strikes the...
Physics - A person jumps from a tower 5 m high. When he strikes the ground below...
physics - Suppose you roll a bowling ball at 2.5 m/s across the roof of a flat ...
physics - Suppose you roll a bowling ball at 2.5 m/s across the roof of a flat ...
physics - a 60 kg student jumps from a table 1.2m high. When his feet hit the ...
physics - A large building has an inclined roof. The length of the roof is 69.5 ...
physics(check my work) - A 60.0 kg person bends his knees and then jumps ...

Search
Members