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A solid sphere of radius 40.0 cm has a total positive charge of 30.0 µC uniformly distributed throughout its volume. Calculate the magnitude of the electric field:
(a) 0 cm from the center of the sphere kN/C
(b) 10.0 cm from the center of the sphere kN/C
(c) 40.0 cm from the center of the sphere kN/C
(d) 60.0 cm from the center of the sphere kN/C
Two carts have a compressed spring between them and are initially at rest. One of the carts has total mass, including its contents, of 7.0 kg, and the other has total mass of 5.0 kg. If the 5.0 kg cart is moving at 3.0 m/s after the spring is allowed..
A spaceship of mass 2.2×106kg is cruising at a speed of 5.4×106m/s when the antimatter reactor fails, blowing the ship into three pieces. What is the speed of the third piece
A camera takes a perfectly exposed picture when the lens diaphragm is set to f/4 and the shutter speed is 1/250 s, what should the new shutter speed be so that the exposure is still correct
What is the kinetic energy of a carbon atom moving with a speed of 500 m/s.
Provide your answer in m/s in scientific notation to three significant digits (i.e. 1.15*10^2)
A double-slit experiment uses light of wavelength 633 nm with a slit separation of 0.1 mm and a screen placed 2.0 m away. What is the linear width of the central fringe
You wish to create an image that is 15 meters from an object. This image is to be inverted and four times the height of the object. What type of image is created, real or virtual
Determine the energy of the incident electron. How many coulombs of protons and electrons are in each penny.
Elucidate in detail the image of the "A" you would see as you look into the balloon with "A" facing you.
A rifle is aimed horizontally at a target 51 {rm m} away. The bullet hits the target 1.5 {rm cm} below the aim point. What was bullet's speed as it left the barrel.
A 0.2kg aluminum plate, initially at 20C, slides down at a 15.00 m long surface, incline at a 30 degree angle to the horizontal. The force of kinetic friction exactly balances the component of gravity down the plane so that the plane.
4 kg of liquid seawater with initial temp 0 C and salinty 3 % is mixed with pure water with initital temp 15 C the system reaches equilibrium at 5 C
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