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A mountaineer uses a global positioning system receiver to measure his displacement from base camp to the top of Mount McKinley. In terms of horizontal coordinates x and y, the base camp is at x = 0, y = 0, and the base of Mount McKinley is at x = 1600 m, y = 4200 m. If the altitude of Mount McKinley is 6200 m and the base camp is at 4027 m, what is the displacement in going from base camp to the top?
A Cassegrain astronomical telescope uses two mirrors to form the image. Compute the radius of curvature of a secondary mirror
Consider two isolated, charged conducting spheres: a large sphere and a second smaller sphere with a radius 8 times smaller than that of the large sphere, but with 4 times as much charge.
a person pulls on a 50Kg desk with a 200N force acting at 30 angle above the horizontal. the desk does not budge. draw a force diagram for the desk. Write down the equation that describes the forces which act in the x-direction.
What are the velocities of the two people after the snowball is exchanged? Disregard friction between skate and the ice.
A street lamp weighs 146 N. It is supported equally by two wires that form an angle of 120° with each other.
How much work did movers do (horizontally) pushing a 140{rm kg} crate 10.60 m across a rough floor without acceleration, if the effective coefficient of friction was 0.700.
Two point charges are fixed on the y axis: a negative point charge q1 = -26 µC at y1 = +0.20 m and a positive point charge q2 at y2 = +0.38 m, Determine the magnitude of q2
The acceleration of gravity is 9.81 m/s2 . Assuming that air resistance is simply a constant 93 N force on the person during the fall, evaluate the person’s velocity just before hitting the net.
Coherent light with wavelength 591 passes by two very narrow slits, and the interference pattern is observed on a screen a distance of 3.00 from the slits. The first-order bright fringe is a distance of 4.84 from the center of the central bright f..
An airplane is flying with a velocity of 95m/s at an angle of 19.0^circ above the horizontal. When the plane is a distance 124m straight above a dog that is standing on level ground, suitcase drops out of luggage compartment.
In a 100 m race, Maggie and Judy cross finish line in a dead heat, both taking 11.4s. Accelerating uniformly, Maggie took 1.80 s and Judy 2.90s to attain maximum speed, which they maintained for the rest of the race. What was Maggie's acceleration..
A cube of side 8.50cm is placed in a uniform field E=7.50×103 N/C with edges parallel to the field lines, What is the net flux through the cube, What is the flux through the right face
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