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a 50 microc charge is placed 34 cm from an identical 50 microc charge how much work would be needed to move a 042
you are riding in an elevator that is traveling down it travels at vo6ms downward then over two seconds it slows to a
jared a small cannon with a ball he launches the ball at an angle of 70 degree and vo32ms it travels up and right
bowling balls can be made from a variety of substances and are needed to have a circumference of roughly 272 inches the
an alpha particle which is a helium nucleus q2e m664times1027kg is emitted in a radioactive decay with ke 543 mevwhat
you push two boxes from to the right at the left side you have vo0ms and the right side you have a final velocity of vf
a rock is thrown horizontally from a bridge by a velocity of 130 ms it takes the rock 35 s to strike the water below
a 22g of nitrogen gas at stp are pressurized in an isochoric process to a pressure of 15atm1 what is the final
a 10mtimes13m house is built on a 15cm -thick concrete slabwhat is the heat-loss rate during the slab if the ground
a point charge 9q is located at the origin and a point charge -8q is located on the x-axis at d 0410 m at what
a charged sphere with 1times108 units of negative charge is brought near a neutral metal rod the half of the rod closer
a small block of mass m rests on the sloping side of a triangular block of mass m which itself rests on a horizontal
a scuba diver has an air tank with a volume of 00200m3nbsp the air in the tank is initially at a pressure of 100 x
two point charges are separated by 250cm see the figure figure 1 suppose that q1 625nc and q2 120 nc 1 discover the
brian is trying to pull julie on a sled across a flat snowy field brian pulls on a rope attached to the sed his pulling
positive charge is distributed uniformly on a plastic rod bent to form a quarter-circular arcfigure 1 part awhat is the
1 a skier traveling at 379 ms encounters an 183 degree slope if you could ignore friction to the nearest meter how far
light from a helium-neon laser 633nm passes during a circular aperture and is observed on a screen 40m behind the
light from a helium-neon laser 633 nm is utilized to illuminate two narrow slits the interference pattern is observed
catapults date from thousands of years ago and were used historically to launch everything from stones to horses
a jogger runs directly east for 4 km then turns and goes northwest for 6 km he then travels directly south for 5 km1
some of the earliest atomic models held that the orbital velocity of an electron in an atom could be correlated by the
1a power station converyor belt lifts 9 tons of ore to a height of 60 feet in 11 hours what average horsepower is
a uniform electric field of magnitude e 20000 nc is parallel to the x axis a 20 g object with a charge of 25 e-9 c
the length of a hollow pipe closed at one end is 858 cm there is a standing wave in the pipe with a wavelength of 264