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1 MeV neutron strikes 12C nucleus initially at rest. If the neutron is elastic scattered during an angle of 90o:
1. What is the energy of scattered neutron?
2. What is the energy of the recoiling nucleus?
3. At what angle does the recoiling nucleus appear?
A 12- V battery causes a current of 0.40A through a resistor. A) what is its resistance B) how may joules of energy does the battery lose in minutes.
Partciles (mass of each =.2kg) are placed at the 80 cm and 100 cm marks of a meter stick. the mass of the meter stick is .3kg. what is the moment of inertia of the body
A solid wood door 1.00 m wide and 2.00 m hight is hinged alone one side and has a total mass of 40.0 kg, whats the final angular speed of the door
How much work is done by the horizontal force F_p = 150 N on the 18 kg block of the figure when the force pushes the block 5.5 m up along the 32 degree frictionless incline
A railroad car of mass 2.1 104 kg moving at 3.50 m/s collides and couples with two coupled railroad cars, What is the speed of the three coupled cars after the collision
a 9650 kg sailboat is moving through the waters of the atlantic. initially the boat is traveling at 13 mph 21 degrees
Light containing two dissimilar wavelengths passes during a diffraction grating with 1000 slits/cm. On a screen 17.0 cm from the grating, the third-order maximum of the shorter wavelength falls midway among the central maximum and the first side maxi..
A hiker is wearing wool clothing of 0.40 cm thickness to keep warm. Her skin temperature is 39° C and the outside temperature is 8.0° C. what is the rate of heat conduction through her clothing
A .015 kg marble moving to the right at .4m/s has a head on, elastic collision by a .045 kg marble sitting at rest on a smooth, level surface. What is the magnitude and direction of the velocities of the two marbles after the collision?
A 1.75 kg block slides on a rough, horizontal surface. The blockhits a spring with a speed of 1.86 m/s and compresses it a distanceof 12.1 cm before coming to rest. what is the force constant of the spring
he two 0.50-kg weights of a cuckoo clock descend 1.5m in athree-day period. At what rate is gravitational potential energy decreased
The drawing shows a person looking at a building on top of which an antenna is mounted. The horizontal distance between the person's eyes and the building is L = 98.1 m. How tall is the antenna
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