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Show that the horizontal resultant of these two forces on the lamp is zero. Work out the weight of the lamp.
A 48 kg skier starts from rest at a height of H = 27 m above the end of the ski-jump ramp. As the skier leaves the ramp, his velocity makes an angle of 28° with the horizontal. avoid the effects of air resistance and assume the ramp is frictionles..
A couple is defined as two parallel forces, separated by a distance, that have equal magnitudes but opposite directions. A couple only produces a rotation in a specified direction. The moment produced by a couple is known as a couple moment.
What is the smallest thickness of a soap film (n = 1.33) that would appear black if illuminated with 450 -nm light? suppose there is air on both sides of the soap film.
A person who weighs 620 N stands at x = 5m, right on the end of a long horizontal diving board that weighs 350 N. The diving board is held up by two supports, one at its left end at x = 0, and one at the point x = 2.00 m.
A loudspeaker on a tall pole broadcasts sound waves equally in all directions. If the sound output is 7.0 W, at what distance from loudspeaker is the sound intensity level 85.7 dB.
What is an electric potential at a point
What is magnitude of the runners total displacement
A lens with a focal length of 25 is placed 40 in front of a lens with a focal length of 5.0. How far from the second lens is the final image of an object infinitely far from the first lens? Is the image in part a in front of or behind the second l..
A block of the same weight as the meter stick is suspended from the stick, as shown, at a distance x from the wall. What is the minimum value of x for that the stick will remain in equilibrium.
Find out ratio of the detector
A swimming pool has dimensions 28m 11m and a flat bottom. The pool is filled to a depth of 2.30 m with fresh water.
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