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A pion has a rest energy of 135MeV. It decays into two gamma rays, bursts of electromagnetic radiation that travel at the speed of light. A pion moving through the laboratory at v=0.98c decays into two gamma rays of equal energies, making equal angles with the direction of motion. Find the angle (theta) and the energies of the two gamma rays. (HInt: Gamma rays are electromagnetic radiation with E=pc).
A sinusoidal wave travels along a stretched string. A particle on the string has a maximum velocity of 0.900m/s, What is the frequency and amplitude of the wave
Sirius has a luminosity of 8.4 * 10^27 Watts and a mass of 2.1 times the mass of the Sun, How much hydrogen does Sirius convert into helium each second
A 211kg rock sits in full sunlight on the edge of a cliff 4.90m high. The temperature of the rock is 30.2?C. what is the final temperature of the rock-water system
Starting with an initial speed of 5.00 m/s at a height of 0.335 m, a 1.50-kg ball swings downward and strikes a 4.60-kg ball that is at rest, How high does each ball swing after the collision
The pilot of an aircraft wishes to fly due west in a 49.8 km/h wind blowing toward the south. The speed of the aircraft in the absence of a wind is 192 km/h.
An 86kg man drops from rest on a diving board 3.0m above the surface of the water and comes to rest 0.55s after reaching water. What is the net force on the diver as he is brought to rest.
suppose a force F1=25 N and F2=75 N acts on a particle of mass 1.0 kg, Determine the magnitude and direction of the resulting acceleration
Find out whether or not the measurement of net income for a merchandising company conceptually is the same for a service company.
A fisherman notices that his boat is moving up and down periodically without any horizontal motion, owing to waves on the surface of the water. calculate How fast are the waves traveling
In a vacuum, two particles have charges of q1 and q2, where q1 = +3.66 ?C. They are separated by a distance of 0.213 m,
The bar is held by a cord that makes a 90? angle with respect to bar and 50 ? with respect to wall. Illustrate what is the magnitude of the horizontal force Hx on the pivot? The acceleration of gravity is 9.8 m/s2.
An artificial satellite circles the Earth in a circular orbit at a location where the acceleration due to gravity is 5.24 m/s^2.
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