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A loaded penguin sled with weight W rests on aplane inclined at angle θ to thehorizontal (Fig. 6-28). Between the sled and the plane, thecoefficient of static frictionis µs, and the coefficient of kinetic frictionis µk. (a) What is the minimum magnitude of the force parallel to the plane, that will prevent the sled fromslipping down the plane? (b) What is the minimum magnitude F that will start the sledmoving up the plane? (c) What valueof F is required to move the sled up the planeat constant velocity? State your answers in terms of the givenvariables.
In a T1 PCM-TDM system, 24 signals all with the same bandwidth of 4 kHz are multiplexed after sampling at their Nyquist rate. If an 8-bit ADC is employed in this T-carrier system, find the speed of the digital multiplexed line.
A constant torque of 21.4 N•m is applied to a grindstone whose moment of inertia is 0.125 kg•m2. Using energy principles, determine the angular speed (in revolutions per second) after the grindstone has made 19 revolutions. (Avoid friction.) Do no..
The tension in the horizontal towrope pulling a water-skier is 240 N, How much work does the towrope do on the water-skier
Consider a 60 W light bulb with a 2.0m long tungsten filament connected to a 120V source, Determine the resistance of the filament
A 310 kg weather rocket is loaded with 100 kg of fuel and fired straight up. It accelerates upward at 28.0 m/s2 for 32.0 s, and then runs out of fuel. Overlook any air resistance effects.
Water flows at 0.20L/s through a 12-m-long garden hose 2.0cm in diameter that is lying flat on the ground
questionget a spreadsheet file hw9 from the get directory.this file has 2 worksheets the first is titled names and the
A platform is rotating with an angular speed of 3.00 rad/s and an angular acceleration of 11.0 rad/s2. what is the magnitude of the total acceleration a
Determine the position q1 of the image formed by the first converging lens.
An airplane makes a gradual 90° turn while flying at a constant speed of 200 m/s.The process takes 20.0 seconds to complete. For this turn the magnitude of the average acceleration of the plane is:
A sledge loaded with bricks has a total mass of 17.1kg and its is pulled at constant speed by a rope inclined at 20.0 degrees above the horizontal. the sledge moves a distance of 20.8 m on a horizontal surface. The coefficient of kinetic friction ..
A weightlifter curls a 35kg bar, raising it each time a distance of 0.65m. How many times must he repeat this exercise to burn off the energy in one slice of pizza
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