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A charge q1=5.00 mC is located at the origin of a coordinate system. Another charge q2=4.90 mC is located at x=-3.50 m and y=-4.00 m, and another q3=4.80 mC is located at x=-4.20 m and y=4.40 m. Calculate the magnitude of the net electric force on the charge q1 in Newtons (N).
A horizontal force of magnitude F = 149 N is used to push a box of mass m = 5 kg from rest a distance d = 13 m up a frictionless incline with a slope q = 22°. How much work is done by the force on the box
a truck horn emits a sound with a frequency of 245 hz. the truck is moving on a straight road with a constant speed.
A horizontal force of 213 N is exerted on a 1.90 kg discus as it rotates uniformly in a horizontal circle (at arm's length) of radius 1.60 m. determine the time for one revolution of the discus. Round the answer to 2 decimal places.
Partly-full paint can have 0.60 U.S. gallons of paint left in it. What is the volume of the paint
For a physical pendulum, what happens to the period as the pivot point gets very close to the center of mass? Justify your answer mathematically
The drawing shows a crystalline quartz slab with a rectangular cross section. A ray of light strikes the slab at an incident angle ofθ1= 38°, enters the quartz, and travels to point P. This slab is surrounded by a fluid with a refractive indexn. Wha..
After leaving some presents under the tree, Santa notices his image in a shiny spherical ornament. what is the height of his image
A 1350 N uniform beam is attached to a vertical wall at one end and is supported by a cable at the other end. A W = 1860 N crate hangs from the far end of the beam. Calculate the magnitude of the horizontal component of the force that the wall exe..
A parallel-plate air capacitor is made by using two plates 19 cm square, spaced 3.5 mm apart. It is connected to a 3-V battery. What is the electric field between the plates
a charge q1 5 nc is placed at x 0 and another charge q2 -2 nc is placed at x 2 .0 cm. where should a third positive
a rifle with a muzzle velocity of 470 ms shoots a bullet at a target 49.6 m away. how high above the target must the
Many people mistakenly believe that the astronauts orbiting the earth are "above gravity." Compute the acceleration because of gravity, g, for space shuttle territory, 245 kilometres above the earth's surface (dashed line in sketch). Earth's mass ..
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