Physics, 03.04.2020 15:29 peytonwray04
Boy pulls a 29.0-kg box with a 180-N force at 32° above a horizontal surface. If the coefficient of kinetic friction between the box and the horizontal surface is 0.24 and the box is pulled a distance of 40.0 m, what is the net work done on the box?
Answers: 3
Physics, 22.06.2019 11:30
With the simplified model of the eye, what corrective lens (specified by focal length as measured in air) would be needed to enable a person underwater to focus an infinitely distant object? (be careful-the focal length of a lens underwater is not the same as in air! assume that the corrective lens has a refractive index of 1.62 and that the lens is used in eyeglasses, not goggles, so there is water on both sides of the lens. assume that the eyeglasses are 1.90
Answers: 1
Physics, 22.06.2019 12:10
Two forces produce equal torques on a door about the door hinge. the first force is applied at the midpoint of the door; the second force is applied at the doorknob. both forces are applied perpendicular to the door. which force has a greater magnitude?
Answers: 2
Physics, 22.06.2019 18:30
Which form of cell division creates the sperm and egg, resulting in half of the chromosomes as the other cells?
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Boy pulls a 29.0-kg box with a 180-N force at 32° above a horizontal surface. If the coefficient of...
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