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A 20 kg uniform beam is placed on two supporting stands on either end. A 75 kg painter stands at 1.2 m from one of the ends. If the length of the beam is 2.2 m, find the forces at the two supports?
Calculate the thickness of the layer between the 1000- and 500mb pressure surfaces (a) at a point in the tropics where the mean virtual temp of the layer is 9C and (b) at a point in the polar regions
while the surface temperature can reach 320K. These data imply that Venus has a "thicker" atmosphere at its surface than does the earth that means that the number of molecules per unit volume (N/V) is greater on the surface of Venus than on the ea..
The magnetic flux that passes through one turn of a 18-turn coil of wire changes to 1.0 Wb from 9.0 Wb in a time of 0.092 s. What is the resistance of the wire
Water is drawn from a well in a bucket tied to the end of a rope whose other end wraps around a solid cylinder of mass 50 kg and diameter 25 cm. As this cylinder is turned with a crank, the rope raises the bucket.
Calculate the edge length of a cube that has the same volume as a sphere of radius 4.0 cm. How much greater is the surface area of the cube than that of the sphere
A converging lens has a focal length of f = 22.0 cm. An object is placed 41.0 cm from the lens. Find the size of the image in cm if the object has a height of 4 cm. express answer with one decimal place.
At 20C and 750 torr pressure, the mean free paths for argon gas(Ar) and nitrogen gas(N) are lambdaAr = 9.9 x 10^-6 cm, What is the mean free path of argon
A jet airplane is in level flight. The mass of the airplane is m = 8870 kg. At what angle is the airplane banked
Lillian (mass 32.0 kg) standing on slippery ice catches her leaping dog (mass 15 kg) moving horizontally at 2.0 m/s. Evaluate what is the speed of Lillian and her dog after the catch?
Two charged particles, Q1 = +4.50 nC and Q2 = -2.70 nC, are separated by 30.0 cm. What is the electrical potential energy of the pair
A 4.98-kg pendulum bob, at a height of 0.720 m above the floor, is released and swings down to the ground, Find how high up the incline the block will slide
An uncharged nonconductive hollow sphere of radius 11.0 cm surrounds a 16.0 µC charge located at the origin of a cartesian coordinate system. A drill with a radius of 1.00 mm is aligned along the z axis, and a hole is drilled in the sphere. Calculate..
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