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A woman who weighs 250 N stands on an 8 m long board that weighs 100 N. The board is supported at each end. The support force at the right end is 3 times bigger than the support force at the left end. How far from the right end is the woman standing?
Four objects are situated along the y axis as follows: a 2.06 kg object is at +2.96 m, a 2.97 kg object is at +2.42 m, a 2.51 kg object is at the origin, Where is the center of mass of these objects
a snowball rolls off a barn roof that slopes downward at an angle of 40.0 degrees. the edge of the roof is 14.0 meters
A magnifier used for reading small print is shaped like a hemisphere 2 centimeter in radius, located on top of a cylinder of the same radius and 2 centimeter tall. Find where does the image of the print paper appear to be
You are examining a flea with a converging lens that has a focal length of 4.40 cm. If the image of the flea is 8.00 times the size of the flea, how far is the flea from the lens
Neutron stars consist only of neutrons and have unbelievably high densities. Calculate the density of such a star
A 5 mC charge is located 1.8 m away from another charge. If the force between the charges is 5.0 N, what is the magnitude of the other charge
(a) If the atom's diameter were expanded to the length of an American football field (91.44 m) and the nuclear diameter expanded proportionally, what would be the nuclear diameter in meters? (b) Is the saying that "the atom is mostly empty space" ..
Two forces are applied to a car in an effort to move it, as shown in the following figure, where F1 = 423 N and F2 = 355 N. What is the resultant of these two forces
A 2250 kg satellite used in a cellular telephone network is in a circular orbit at a height of 510 km abouve the surface of the earth. what is the gravitational force on the satellite
A laser beam is incident on a 45°-45°-90° prism perpendicular to one of its faces, Find the index of refraction of the prism
In a 2.0- intense cycling race, a cyclist can loses 3.9 of water through perspiration. Estimate how much heat the cyclist loses in the process
The rope has a length of 1.61 m and a mass of 0.00425 kg. Determine the following: (a) amplitude of the wave, (b) frequency of the wave, (c) wavelength of the wave, (d) wave speed, (e) direction the wave is traveling, (f) tension in the rope.
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