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displacement

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A barge of triangular cross section 2014-08-18
tushar pose la question :
a barge of triangular cross section is 20m long 12 m wide and 6m deep.its floats in SW at a draft if 4m find its displacement
Penny Nom lui répond.
An arrow is shot straight up in the air 2012-12-06
heather pose la question :
The skywalk is a glass bottomed platform that hangs over the edge of the Grand Canyon and is suspended 4000 feet above the floor of the canyon. If a tourist shot an arrow straight up in the air from the observation platform, the arrow's height could be modeled by H(t) =-16^2 + 240 + 4000 where H(t) is the height of the arrow above the canyon floor in feet t seconds after being shot, t>0.
(a) Find H(5) and explain its meaning

Penny Nom lui répond.
Displacement 2011-12-17
faisal pose la question :
a helicopter takes off and travels 300 km due north then returns to its landing field. what is its displacement?
Penny Nom lui répond.
3-D Vectors 2008-07-22
jenina pose la question :
1. The summit of a mountain, 2450m above base camp, is measured on a map to be 4580m horizontally from the camp in a direction 32.4º west of north. What are the components of the displacement vector from camp to summit? What is its magnitude? Choose the x axis east, y axis north and z axis up.
Janice Cotcher lui répond.
Throwing a stone downwards 2007-01-12
Momo pose la question :
a stone is thrown vertically downward with an initial speed of 14m/s from a height of 65 m above the ground. A) how far does the stone travel in the first 2.0 s? B) what is the stone velocity just before it hits the ground?
Stephen La Rocque lui répond.
 
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