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A plank 2.00 cm thick and 16.7 cm wide is firmly 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 90.2 kg is forced to stand on the very end. If the end of the board drops by 4.90 cm because of the man's weight, find the shear modulus of the wood.
A satellite in Earth orbit has a mass of 91 kg and is at an altitude of 1.97 x 10^6 m. What is the potential energy of the satellite%u2013Earth system
Two resistors, of R1 = 2.93 ? and R2 = 6.69 ?, are connected in series to a battery with an EMF of 24.0 V, Find the current I1 through the first resistor
Two objects moving toward each other collide and rebound. Determine the change in kinetic energy of the smaller object
Automobile windshield wipers can be used intermittently during rainfall. what determines the length of the intervals when the wiper is on and when it is off
When yellow sodium light, ?=589nm, falls on a diffraction grating, its first-order peak on a screen 55.0cm away falls 3.29cm from the central peak. What is the wavelength of the new source
A uniform electric field of magnitude 256 V/m is directed in the negative y direction. A +12.9 uC charge moves from the origin to the point (x, y) = (20.0cm, 45.6 cm). What was the change in the potential energy of this charge
The mean distance of Mars from the Sun is 1.52 times that of Earth from the Sun. Determine the mass of Earth from the period T
A rocket, initially at rest on the ground, accelerates straight upward from rest with constant acceleration 49.0m/s2, Find the maximum height ymax reached by the rocket
Two cars drive on a straight highway. At time , car 1 passes mile marker 0 traveling due east with a speed of 17.0 . At the same time, At what time do the cars pass next to one another
A box of unknown mass begins at the base of a 30 degree ramp with an initial velocity of 10.0 m/s. calculate the maximum distance up the ramp which the box will reach
Discover the least value of initial velocity
A 40-N crate rests on a rough horizontal floor. A 12- N horizontal force is then applied to it. find the magnitude of the frictional force on the crate
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