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A beam of 6.86 MeV protons is incident on a target of 27Al 13. Those protons that collide produce the reaction shown below.
p+27 Al 13>>>27 Si 14 + n (27 Si 14 has a mass of 26.986 721u.) Neglecting any recoil of the product nucleus, determine the kinetic energy of the emerging neutrons.
=_______MeV
Two parallel conductors carrying current in the same direction attract each other. If they are permitted to move toward each other, the forces of attraction do work. Where does the energy come from? Does this contradict the assertion in that magne..
This time, William Tell is shooting at an apple that hangs on a tree . The apple is a horizontal distance of 20.0m away and at a height of 4.00m above the ground, what is the arrow's initial velocity
A slingshot consists of a rubber strap attached to a y-shaped frame, with a small pouch at the center of the strap to hold a rock or other small projectile. FIND the potential energy of the system prior to release
A box weighing 300N is shoved across the floor of an apartment by a force of 400 N exerted downward at an angle of 35.2° below the horizontal. If the coefficient of kinetic friction between the box and the floor is 0.540, how long does it take to mov..
Two narrow slits are illuminated by a laser with a wavelength of 593 nm. Calculate the distance between the two slits
In a parking lot, an SUV of mass 2000 kg driving at 5 m/s collides head on with a sports car of mass 1000 kg driving in the opposite direction. Determine the velocity of the sports car before the collision
what is the needed magnitude of the minimum acceleration.
A football is kicked straight up into the air; it hits the ground 3.4 later. With what speed did it leave the kicker's foot
The ball has the speed of 12.1 m/s and is moving in a direction of 33.4 degrees east of north, relative to the ground.
Then, calculate the exact number of protons and express the answer in scientific notation with the correct number of significant digits.
question1a piece of copper wire has a resistance per unit length of6.1510-3? m. the wire is wound into a thin flat coil
It position is xo>0 and i give it a kick so that it moves back towards the origin and executed simple harmonic motion with amplitude 2xo. Find out its position as a fuction of time in the forum of x(t)=acos(wt-&)
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