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1. A large power reactor that has been in operation for some months is turned off, but residual activity in the core still produces 150 MW of power. If the average energy per decay of the fission products is 1.00 MeV, what is the core activity in curies?
2. Find the mass converted into energy by a 12.0-kT bomb.
A 0.10 kilogram ball is thrown straight up into the air with an initial speed of 12 m/s. Obtain the momentum of the ball at its maximum height
A uniform electric field exists in the region among two oppositely charged plane parallel plates. An electron is released from strikes the surface of the opposite plate and rest at the surface of the negatively charged plate, 3.70cm distant from the ..
A particle moves along the x-axis according to the equation x(t) = 2.0 + 3.0t2 - 1.0t3, where x is in meters and t is in seconds. What is its speed at that time
An object is placed 12 cm from a concave mirror produces a real image 6.0 cm from the mirror. Where is the new image located as measured from the mirror
A balloon carrying a basket is descending at a constant velocity of 20.0m/s. How far horizontally does the rock travel before it hits the ground
At a particular moment in kayla's skydive, her acceleration is 16 meters/sec^2. how much force of air resistance is acting on her
A 900- kg car collides with a 1300- kg car that was initially at rest at the origin of an x-y coordinate system. What was the initial speed of the lighter car (in km/h)
Coherent light from a sodium-vapor lamp is passed through a filter that blocks everything except for light of a single wavelength. What is the wavelength of the light that falls on the slits
A certain type of laser emits light that has a frequency of 5.4 x10^14 Hz. The light, so, occurs as a series of short pulses, each lasting for a time of 2.7 x10-11 s.
Light reflected at 55.6 degree from a window is completely polarized. What is the window's index of refraction? From what substance is the window likely made?
An archer shoots an arrow with a velocity of47.5m/s at an angle of50.5° with the horizontal. What is the initial speed of the apple
a proton and an alpha particle which has twice the charge and four times the mass of the proton are each accelerated
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