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A 100kg mass is on an inclined plane of 30 degrees. It's connected to a second unknown mass that hangs over a frictionless pulley.
a) What is the unknown mass required to maintain an acceleration down the place of 1m per sec?
b) What is the tension in the rope?
c) If the system were at rest, what is the largest mass that could be hung without causing motion. Assume the coefficient of kinetic friction is 0.3, and the coefficient of static friction is 0.5.
Explain the phenomenon of resonance. Use the phase of the interfering waves to determine the conditions for and location of constructive and destructive resonance
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A 1200 turn coil in a dc motor has an area per turn of 1.1 * 10-2m-2. What is the current in the coil
A 2.68 mol sample of an ideal monatomic gas undergoes the reversible process shown in the figure. calculate How much work is done by the gas
A continuous line of charge lies along an x axis, extending from x = +x0 to positive infinity. The line carries charge with the uniform linear charge density λ0. What are the magnitude and direction of the electric field at the origin.
A satellite orbits a planet of unknown mass in a circle of radius 2.3 x 107 m. The magnitude of the gravitational force on the satellite from the planet is F = 89 N. What is the kinetic energy of the satellite in this orbit
Write down the expression that shows the pressure
What is the velocity of 5.5kg object with a force of 2.5N while it reaches 6.0 meters, assuming the velocity at zero meters is zero.
q1. a single bead can slide with negligible friction on the stiff wire that has been bent into a circular loop of
Consider a parallel-plate capacitor of 220 uF capacitance connected to a 1500 volt power source. The distance between the plates is .01 m. What is the charge in the capacitor
A car traveling at 25 m/s ( about 55 mph) crashes into a road barrier and comes to a stop in 0.2 sec. What is the average force in Newtons felt by a 75 Kg person in a set belt
A magnifying glass with focal length 15 centimeters is placed 10 centimeters above a stamp. find Where is the image situated
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