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When a star has exhausted its hydrogen fuel, it may fuse other nuclear fuels. At temperatures above 1.0 108 K, helium fusion can occur. Write the equation for the following processes.
(a) Two alpha particles fuse to produce a nucleus A and a gamma ray. What is nucleus A? (Enter the mass number in the first raised box, the atomic number in the second lower box, and the element, with charge if necessary, in the third box.)
(b) Nucleus A absorbs an alpha particle to produce a nucleus "B" and a gamma ray. What is nucleus B? (Enter your answer using the same format as above.)
(c) Find the total energy (Q) released in the reactions given in parts (a) and (b). Note: the mass of = 8.005 305u.MeV
An ac generator supplies a peak (not rms) voltage of 120.0 V at 60.0 Hz. It is connected in series with a 50.0-Ω resistor, What is the rms voltage of the generator
A string requires a 186 N force in order to break. A 1.50 kg mass is tied to this string and whirled in a vertical circle with a radius of 1.90 m. What is the highest speed that this mass can be whirled without breaking the string.
A car with 68 -diameter tires accelerates uniformly from rest to 20 in 10. How many times does each tire rotate
What is Kepler's First Law and in this experiment, there are eight pairs of photographs. In each pair, what things are the same in each? What things are different?
A 1.6-kg book is at rest on a wooden board inclined at 12 degrees. Find the magnitude of each force
n air-filled spherical capacitor is constructed with inner and outer shell radii of 7.00 and 14.0 cm, respectively. Calculate the capacitance of the device
Just after opening a parachute of negligible mass, a parachutist of mass 82.5 kg experiences an instantaneous upward acceleration of 1.15 m/s2. Find the force of the air on the parachute
Two balls are rolled off the tabletop that is 0.75m above the floor. Ball A has a horizontal velocity of 3.2 m/s, how far does each ball travel horizontally before hitting the floor
A solenoid with a cross-sectional area of 1.97×10^3 is 0.810 long and has 480 turns per meter. Find the magnitude of induced emf in this solenoid
A cart traveling at 0.3 m/s collides with stationary object. After the collision, the cart rebounds in the opposite direction. In which collision is the impulse on the cart greater
A cylindrical chamber containing an ideal diatomic gas is sealed by a movable piston with cross-sectional area A = 0.0015 m2. What is the final volume after the mass comes to rest
A tall tree is growing across a river from you. You would like to know the distance between yourself and the tree,as well as its height, How far away is the tree
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