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A string with a mass m = 6.00 g and a length L = 8.00 m has one end attached to a wall; the other end is draped over a small, fixed pulley a distance d = 5.00 m from the wall and attached to a hanging object with a mass M = 4.50 kg as in the figure below. If the horizontal part of the string is plucked, what is the fundamental frequency of its vibration?
A spaceship of mass 2.00 106 kg is to be accelerated to a speed of 0.820c. What minimum amount of energy does this acceleration require from the spaceship's fuel, assuming perfect efficiency?
A 0.0280 kg bullet moving horizontally at 500 m/s embeds itself into an initially stationary 0.500 kg block. What is their velocity just after the collision
Runner A is at first 5.4 km west of a flagpole and is running with a constant velocity of 2.6 km/h due east. Runner B is initially 3.0 km east of the flagpole and is running with the constant velocity of 8.8 km/h due west. What would be the distance ..
An ac generator with a frequency of 1.14kHz and an rms voltage of 20.2V is connected in series with a 1.80killo ohm resistor and a 320mH inductor. What is the average power consumed by this circuit
An astronaut in space cannot use a scale or balance to weigh objects because there is no gravity. what is the mass of this canister
The wingspan (tip-to-tip) of a Boeing 747 jetliner is 59 m. The plane is flying horizontally at a speed of 220 m/s. Find the emf induced between the wing tips
A rotating wheel requires 8.00 s to rotate 26.0 revolutions. evaluate the constant angular acceleration of the wheel
A particle is located at r=(4.1i+3.1j+5.6k)m . A force F=(9.5j-3.5k)N acts on it. What is the torque, calculated about the origin
A ball rolls off a table with a horizontal velocity of 5 m/s If it takes 0.6 secs for it to reach the floor, What is the verticle componet of the balls velocity just before it hits the floor
A vacationer floats lazily in the ocean with 95% of his body below the surface. The density of the ocean water is 1025 kg/m3. What is the vacationer's average density
A 0.70-kg mass attached to a vertical spring of force constant 140N/m oscillates with a maximum speed of 0.40m/s, Find the maximum magnitude of the acceleration
A proton is accelerated from rest through a potential difference of 450MV. Find the proton's rest energy
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