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a uniforn electric field with a magnitude of 420n/c pointing in the positive x- direction acts on an electron, which is initially at rest. The electron has moved 2.60cm.
a) What is the work done By the field on the electron?
b) What is the change in potential energy associated with The electron?
c) What is the velocity of the electron?
A cube of ice, 27 cm on each side, is melted into a measuring cup. What is the volume of the liquid water
Elucidate the spacing between peaks
The space shuttle is in a 250km -high circular orbit. It needs to reach a 700km -high circular orbit to catch the Hubble Space Telescope for repairs. How much energy is required to boost it to the new orbit
You have been given a long lenght of wire. You measure the resistance of the wire, What is the resistance of one of those sections
A total of 3.04 106 electrons are placed on an initially uncharged wire of length 1.23 m. find the magnitude of the acceleration of a proton
You are assigned the design of a cylindrical, pressurized water tank for a future colony on Mars, Find the net downward force on the tank's flat bottom, of area 2.45m2 , exerted by the water and air inside the tank and the air outside the tank
A 1.59 kg block slides on a frictionless, horizontal surface with an speed of 1.54 m/sec. How long is the block in contact with the spring before it comes to rest
A dance studio has flat mirrors on opposite walls, and multiple images are observed when a person stands between them, What is the image distance for the first image behind the north mirror
A horizontal rifle is fired at a bull's-eye. The muzzle speed of the bullet is 671 m/s. compute the horizontal distance between the end of the rifle
Two lenses, one converging with focal length 21.0cm and one diverging with focal length ? 10.0cm , are placed 25.0?cm apart. Find the final image distance from second lens
A siren has a frequency of 875 Hz when it and an observer are both at rest. The observer then starts to move and finds that the frequency he hears is 1251 Hz. What is the speed of the observer
A frictionless pulley system at equilibrium has a m1 of 6 kg, mass 2 9kg and mass 3 6kg. Find the angle of theta
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