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A Rope is wrapped around a cylinder with a diameter of 500 cm. When the rope is pulled, it causes the cylinder to rotate around an axis through its center. If the cylinder starts from rest, and the tension in the rope is a constant 20.0 N, what will be the angular speed of the cylinder after 6.00 s?
A 400g mass on a spring has a speed of 95.4cm/s when it's displacement is 3.0cm and 71.4 cm/s when it's displacement is 6.0 cm what is the maximum speed of the mass?
A slide projector has a converging lens whose focal length is 135.00mm. (a) How far in meters from the lens should the screen be located if a slide is placed 141.17mm from the lens? If the slide measures 24.0 mm (height) * 36.0mm (width), what are th..
In a certain binary-star system, each star has the same mass as ourSun, and they revolve about their center of mass. What is their period of revolution in years
Hearing damage may occur when a person is exposed to a sound intensity level of 90.0 dB (relative to the threshold of human hearing) for a period of 9.00 hours
A 0.67 kg person stands on a lightweight diving board supported by two pillars, one at the end of the board, the other 1.10 m away. Find the force exerted by the second pillar
For the circuit below, the emf has an rms voltage of 120 Vat a frequency f= 60 Hz. The resistor is 20 ohm. the capacitor 40.0 muF, and the inductor 60.0 mH. Find (a) the inductive reactance, (b) the capacitive reactance, and (c) the impedance, (d)..
A magnifying glass has a converging lens of focal length of 18.80cm. At what distance from a nickel must you hold this lens to get an image with a magnification of +2.47.
Steam enters a nozzle operating at steady state with p = 40 bar and T =400oC, and a velocity of 10 m/s. The steam flows through the nozzle with negligible heat transfer and no significant change in potential energy. At the exit, p2 = 15 bar and the v..
A ball is tossed from an upper-story window of a building. The ball is given an initial velocity of 8.10 m/s at an angle of 17.0° below the horizontal. How far horizontally from the base of the building does the ball strike the ground
An ammeter with a full scale deflection for I=17.0 A has an internal resistance of 18 ohms. How should it be connected to the ammeter, in series or in parallel
The laser used in cornea surgery to treat corneal disease is the excimer laser, which emits ultraviolet light with a wavelength of 193 nm in air. The index of refraction of the cornea is 1.376. What are the wavelength and frequency of the light in th..
A simple pendulum makes 140 complete oscillations in 2.50 min at a location where g = 9.80 m/s2. Find the period of the pendulum
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