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A plank 2.00 cm thick and 14.0 cm wide is tightly attached to the railing of a ship by clamps so that the rest of the board extends 2.00 m horizontally over the sea below. A man of mass 70.5 kg is forced to stand on the very end. If the end of the board drops with 5.70 cm because of the man's weight, discover the shear modulus of the wood.
A comet moves about the Sun in an elliptical orbit, with its closest approach to the Sun being about 0.570 AU and its greatest distance from the sun being 41.5 AU (1 AU = the Earth-Sun distance). What is its speed when it is farthest from the Sun
A 66.0 kilogram base runner begins his slide into second base when he is moving at a speed of 3.6 m/s. Estimate how far does he slide
What is the range of frequency of the light emitted by the hydrogen atom
A circular conducting loop by a radius of .37m has a resistance of 10Ω and is orientated on the xy plane. If a magnetic field of 1.8 T making an angle of 30 degrees by the z axis. Increases to 8T in 2.1s. What is the magnitude of the current that w..
During a workout, the football players at State U. ran up the stadium stairs in 60 s. The stairs are 150 m long and inclined at an angle of 30°. estimate the average power output on the way up
n = 3.59 mol of Hydrogen gas is initially at T = 386 K temperature and pi = 1.78×105 Pa pressure. How much work did the external force perform
A Ferris wheel has radius 5.0 m and makes one revolution in 8.0 seconds. A person weighing 670N is sitting on one of the benches attached at the rim of the wheel. What is the apparent weight (normal force exerted on her with the bench) of the person ..
A shop sign weighing 230 N is supported by a uniform 115 N beam as shown in Fig. 9-54. find the vertical forces exerted by the hinge on the beam
A 0.534-nm photon collides with a stationary electron. After the collision, the electron moves forward and the photon recoils backwards. Find the momentum of the electron
How much work is required to stretch the spring. A satellite is in a low circular orbit about the Eart.
a 0.22 kg block of cheese lies on the floor of a 870 kg elevator cab that is being pulled upward by a cable through distance d = 2.3 m. how much work is done on the cab by the force from the cable
A variable capacitor is connected to a battery of voltage V. The capacitor initially has a capacitance C0 and charge q0. Calculate the power supplied by the battery
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