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A disk rotates about its central axis starting from rest and accelerates with constant angular acceleration. At one time it isrotating at 9 rev/s. 50 revolutions later, its angular speed is19 rev/s.
1) Calculate the number of revolutions from rest until the timethe disk attained the 9 rev/s angular speed.
A 25 gram ball is fired horizontally into a 0.375 Kg catcher arm at rest. How fast was the ball traveling before the impact occurred
Which one of the following statements concerning simple harmonicmotion is FALSE?
It leaves the track horizontally, flies through the air, and subsequently strikes the ground. Elucidate the speed v of the block when it leaves the track?
Air is streaming horizontally past a small airplanes wings such that the speed is 50m/s over the top surface and 30 m/s past the bottom surface. the plane has a mass of 300 kg and a total wing area of 5 m^2(both wings).
A flat sheet of ice (n = 1.309) has a thickness of 1.6cm. It is on top of a flat sheet of crystalline quartz (n = 1.544) that has a thickness of 0.86cm. Light strikes the ice perpendicularly and travels through it and then through the quartz. In t..
What was the bullet's flight time. A marble is thrown horizontally with a speed of 11 m/s from the top of a building. When it strikes the ground, the marble has a speed that makes an angle 38° with the horizontal. From what height above the ground..
Three capacitors having capacitances of 8.7%u03BCF , 8.7%u03BCF , and 4.1%u03BCF are connected in series across a 31-V potential difference. What is the total energy now stored in the capacitors
Find out a formula for a electrical flux on a sphere for a point charge at the center of the sphere with a hole in the sphere.
The driver of a car sets the cruise control and ties the steering wheel so that the car travels at a uniform speed of 15m/s in a circle with a diameter of 130m. What arc length does it travel in this time
a car is moving down a street at 55 kmh. a child suddenly runs into the street. if it takes the driver 0.75 s to react
at a certain point in a horizontal pipeline the waters speed is 3.50ms and the gauge pressure is 1.80times104 pa .part
A m1 = 47.0 kgblock and a m2 = 100.0 kg block are connected by a string as inFigure P8.36. The pulley is frictionless and of negligible mass. Determine the change in the kinetic energy of the 47.0 kg block
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