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A pile of snow at the crest of a roof with a slope of 40o from the horizontal starts to slide off. The distance from the crest to the edge of the roof is 8 meter, and the coefficient of kinetic friction for the snow on the roof is 0.1.
A.) Find the speed of the pile of snow when it reaches the edge of the roof?
B.) Suppose that it is 6 meter from the edge of the roof to the ground, find how far out from the base of the building does the snow land?
suppose there is significant air resistance in addition to the spring force acting on the mass as it oscillates up and down. how will the elastic potential energy change
Atmospheric pressure is half its sea-level value at analtitude of. Weather phenomena such as clouds and storms are found in the, Average atmospheric pressure does not correspond to,
Calculate the doppler shift of x rays emitted from shocked silicon in a supernova remnant of the ejected material is moving at 5000 km/sec
Consider a generator with a 300 turn coil on its armature and a uniform magnetic field of 5.4 T. The diameter of the coil is 5.0 cm. how fast do we need to rotate the coil
when a billard ball hits another billarid ball then other ball is maving but striking ball also move some distance why
Which of the following does not produce a magnetic field:
when two lenses are used in combination the first one forms an image that then serves as the object for the second
An electron has an initial velocity of 3.00 multiplied by 106 m/s in a uniform 10.0 multiplied by 105 N/C strength electric field. How long does it take the electron to come to rest
If wind blows at 25 m/s over a house, what is the net force on the roof if its area is 214 m2 and is flat
A rocket traveling 1850 m/s away from the Earth at an altitude of 6800 km fires its rockets, at what rate must the gases be ejected
An initially uncharged 3.87-?F capacitor and a 6.99-k? resistor are connected in series to a 1.50-V battery that has negligible internal resistance. What is the initial current in the circuit, expressed in milliamperes?
25-kg ball begins rolling from rest with constant angular acceleration down a hill. how long will it take to make the next complete revolution
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