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A hiker starts at his camp and moves the following distances while exploring his surroundings: 60.0 m north, 2.95 102 m east, 130 m at an angle 30.0° north of east, and 1.50 102 m south.
(a) Find his resultant displacement from camp. (Take east as the positive x-direction and north as the positive y-direction.)
(b) Would changes in the order in which the hiker makes the given displacements alter his final position?
A random sample of 42 college graduates revealed that they worked the average of 5.5years on the job before being promoted. The population standard deviation was 1.1 years. Using 0.99 degree of confidence, what is the confidence interval for the po..
questionwhile the movie back to the future ii came out everyone wanted a hover-board. you decide to use your
A major motor company displays a die-cast model of its first automobile, made from 5.60 kg of iron. To celebrate its hundredth year in business.
If the electric field strength in air exceeds 3.0 multiplied by 106 N/C, the air becomes a conductor. Using this fact, determine the maximum amount of charge that can be carried by a metal sphere 3.1 m in radius.
You're standing on an asteroid when you see your best friend rocketing by in her new spaceship. What is your friend's speed relative to you
The water in a tank is at a gauge pressure of 283,685 Pa. what is the force on the bottom of the tank
You close the top of your straw with your thumb and lift the straw out of your glass containing Coke. How large is the error (in per cent) if you neglect the air in the straw
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An 81 kg person puts on a life jacket, jumps into the water, and floats. The jacket has a volume of 3.1 x 10-2 m3, What is the density of the life jacket
If a person eats a popsicle of mass 0.045 kg and temperature -10 C, then how much energy does this person use
The average density of the planet Uranus is 1263 kg/m3. Calculate the average radius of Uranus
A 150 g copper bowl contains 220 g of water, both at 20.0ºC. A very hot 300g copper cylinder is dropped into the water, What was the original temperature of the cylinder
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