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The 160-mm-radius brake drum is attached to a larger flywheel that is not shown. The total mass moment of inertia of the drum and the flywheel is 18 kg · m2 and the coefficient of kinetic friction between the drum and the brake shoe is 0.35. Knowing that the angular velocity of the flywheel is 360 rpm counterclockwise when a force P of magnitude 300 N is applied to the pedal C, determine the number of revolutions executed by the flywheel before it comes to rest.
a person notices a mild electric shock if the current along a path through the thumb and the index finger exceeds 80.0
The magnitude of the force between two point charges is 12 Newton. If the magnitude of one of the charges is halved, determine what would the magnitude of the force be
A 12-m string is stretched between two fixed points. What is the wavelength of the second harmonic
If a camera with a 55 mm lens is to resolve two objects that are 5.0 mm from each other and both objects are 3.5 m from the camera lens, What is the resolving power
while taking photographs in death valley on a day when the temperature is 57.0degc bill hiker finds that a certain
A barefoot field-goal kicker imparts a speed of 26 m/s to a football at first at rest. If the football has a mass of 0.24 kg and the If the football has the mass of 0.24 kg and the time of contact with the ball is 0.037 s, what is the force exerte..
A surgeon is attempting to correct a detached retina by using a pulsed laser. If the pulses last for 36.0 ms, how many photons are present in each pulse
A train slows down as it rounds a sharp horizontal trun,going from 90km/h to 50.0km/h im the 15.0s it takes to round thebend. the radius of the curve is 150m. Compute the acceleration atthe moment the train speed raches 50.0km/h . Assume the train..
in exploring the doppler effect we learned that sound from approaching or receding sources can seem higher or lower in
A 0.335 m string is clamped at both ends. If the lowest standing wave frequency in the string is 326 Hz, Evaluate what is the speed
A bar of length 1.5 meters moves to the left at 4.6 m/s along a set of conducting rails. The rails and bar have a net resistance of 10 Ohms. Determine the induced electromotive force
An airplane is flying with a velocity of 95m/s at an angle of 19.0^circ above the horizontal. When the plane is a distance 124m straight above a dog that is standing on level ground, suitcase drops out of luggage compartment.
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