1 A man walks 1.41km directly northeast. What is the component of his displacement in a north direction?
4. Boat is crossing a river. The boat's water carries the boat downstream at a rate such that the resultant velocity of the boat is 6.5m/s. What is the velocity of the water in the river?
5.A man is plowing snow from his driveway. He pushed down teh handle of the plow with a force of 48N with the handle forming an angle of 60 degrees with the horizontal driveway. What is the useful (horizontal) component of the force he exerts down the handle?
4. An aircraft is traveling southwest with a speed of 1410km/h. What is the west compoonent of this velocity?
6. Two dogs are pulling on the same bone. A podle is pulling toward the south with a force of 7N. A spaniel is pulling toward teh east with a force of 24N. With what force and in what directioon must a collie pull on the same bone, if the bone is to have a net force of zero on it? (degrees relative t north)
2007-08-03
19:06:13
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2 answers
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asked by
Anonymous
in
Science & Mathematics
➔ Physics