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A flywheel turns through 34 revas it slows from an angular speed of 1.7 rad/s to a stop.
(a) Assuming a constant angular acceleration, find thetime for it to come to rest.
(b) What is its angular acceleration?
(c) How much time is required for it to complete the first17 of the 34 revolutions?
You need to make a series ac circuit having a resonance angular frequency of 1475 rad/s using a 146 Omega resistor, a 10.5 mF capacitor, and an inductor. What should be the inductance of the inductor
In a standing wave pattern the distance between the second and the seventh nodes is 5cm. find the wavelength and the speed of the wave
A 1000 kg cannon is pointed at 30 degrees to the horizontal. Its muzzle speed is 300 m/s. It fires a ball, mass 5 kg. At what angle and speed will the ball fly out
A soccer player extends her lower leg in a kicking motion by exerting a force with the muscle above the knee in the front of her leg. What is the force exerted by the muscle if its effective perpendicular lever arm is 1.80 cm
A heat engine operates in a Carnot cycle between72.0°C and345°C. It absorbs21,600J of energy per cycle from the hot reservoir. How much energy does it expel in each cycle by heat
a 2.5-kg mass is connected to a spring with spring constant k = 150 N/m and unstretched length 19 cm. the pair are mounted on a frictionless air table, with the free end of the spring attached to a frictionless pivot. the mass is set into circular..
This hill slopes upward at a constant angle of 40 degree above the horizontal. The coefficient of static and kinetic friction between the hill and the rock are .75 and 0.20, respectively.
a stell ball of mass m suspended by a thread of lenght l. the ball is then released when the thread is horizontal. at the bottom of this path, find the speed of the block just after collision
If Wave B's amplitude is instead -13.4 mm, what is the amplitude of the wave pulse formed while they are interfering
A Carnot engine operates between the temperatures of850K and 300K. What is the average power developed by this engine
Bob has just finished climbing a sheer cliff above a beach, and wants to figure out how high he climbed. All he has to use, however, is a baseball, a stopwatch, and a friend on the ground below with a long measuring tape. Bob is a pitcher, and kno..
A runner travels 2 km north, then 1 km west, then 1 km north, then 3 km east. The run took 45 minutes. What was the total path length of the run
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