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The person in the drawing is standing on crutches. Assume that the force exerted on each crutch by the ground is directed along the crutch, as the force vectors in the drawing indicate. If the coefficient of static friction between a crutch and the ground is 1.17, determine the largest angle MAX that the crutch can have just before it begins to slip on the floor.
A worker pushes horizontally on a large crate with a force of 304 N and the crate is moved 4.4 m. How much work was done.
A diving board length = 5.40 that weighs 230 is supported by two pillars. One pillar is at the left end of diving board; the other is distance = 1.60 away. Determine the magnitude of the force exerted by the left pillar while a 90.0 diver stands a..
A toy car moves at a velocity of 65.00 m/s on a compass heading of 115degrees. What are the components, magnitude and direction of car.
A 0.50 kg ball that is tied to the end of a 1.30 m light cord is revolved in a horizontal plane with the cord making a 30° angle, with the vertical. If the cord can withstand a maximum tension of 9.5 N, what is the highest speed at which ball can ..
What is the frequency of up and down oscillations of the wheel? Regard wheel as a mass on one end of a spring and regard the body of the car as a fixed support for the other end of the spring.
Two diffraction patterns are formed on the screen. What is the distance between the common center of the diffraction patterns and the first occurrence of the spot where the dark fringe from one pattern falls on top of a dark fringe from the other p..
The loaded cab of an elevator has a mass of 3000kg and moves 216-m up the shaft in 23s at constant speed. At what average rate does the force from the cable do work on cab.
A particle with a charge of q = -5.00 nC is moving in the uniform magnetic field of vec{B}=( -1.20 T ) hat{z}. The magnetic force on the particle is measured to be vec{F}= ( -7.60×10-7 N )hat{y}.
An instructor wants to use a lens to project the real image of a light bulb onto a screen 1.23 m from the bulb. In order to get the image to be two times as large as bulb, what focal length lens will be required.
Tim and Rick both can run at a constant speed Vr and walk at the constant speed Vw, (Vw
A submerged solid object displaces a. its own volume in the liquid. b. more than its own volume in the liquid. c. less than its own volume of liquid. I am confused with the wording. Why do they use volume instead of weight?
Two charged balls are 20.0 cm apart. They are moved, and force on each of them is tripled. How far apart are they now.
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