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(A) A student is trying to push a desk of mass m = 105kg and horizontal width w = 0.7m along the floor. The coefficient of friction between the desk and the floor is A??1s = 0.66. The center of mass of the desk is at the geometric center of the rectangle shown. What is the minimum force necessary to move the desk?
(B)If the force that is applied is just barely less than the answer to the previous problem, what is the maximum height h so that the desk won't tip over?
A 1300-kg car is being driven up a 4.0° hill. The frictional force is directed opposite to the motion of the car and has a magnitude of f = 530 N. A force Farrowbold is applied to the car by the road and propels the car forward.
An archer pulls her bowstring back 0.370 m by exerting a force that increases uniformly from zero to 227 N. (a) What is the equivalent spring constant of the bow? ____N/m (b) How much work does the archer do in pulling the bow? _____J
An explosion breaks an object into two pieces, one of which has 1.60 times the mass of the other. If 8000 J were released in the explosion, how much kinetic energy did each piece acquire? Heavier piece
Find the force P necessary to push a 50.6 kg block down an incline of 32.4 degrees with an acceleration of 1.78 m/s^2. P is parallel to the incline and the coefficient of friction between the block and the incline surface is 0.805.
The coyote starts 42.0 m from the brink of a cliff. The roadrunner zips past him at a speed of 18.0 m/s. What is the acceleration of the coyote
q1. a car at the indianapolis-500 accelerates uniformly from the pit area going from rest to 325 kmh in a semicircular
Tendons are strong elastic fibers that attach muscles to bones. To a reasonable approximation, they obey Hooke's law. In laboratory tests on a particular tendon, it was found that, when a 247 gobject was hung from it, the tendon stretched 1.25 cm ..
A drop of water on a countertop reflects light from a flower held3.30 cm directly above it. What is the focal length of the water drop
Write an Assignment on the topic "Calculate the stability of Rossler Orbit Sumanta Bandyopadhyay"
Electron microscopy has proved invaluable for investigations of viruses, cell membranes and subcellular structures, bacterial surfaces, visual receptors, chloroplasts, and the contractile properties of muscles. The "lenses" of an electron microsco..
An apparatus like the one Cavendish utilized to find G has a large lead ball that is 5.9 kg in mass and a small one that is 0.047 kg. Their centers are separated with 0.055 m. Discover the force of attraction between them?
A series of circuit consisting of an unchanged 2 µF capacitor and a 10 MW resistor is connected across a 100 Volt power source. Calculate the current in the circuit and the charge on the capacitor
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