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Certain theories predict that the proton is unstable, with a half-life of about 10^32 years. Assuming that this is true, calculate the number of proton decays you would expect to occur in one year in the water of an Olympic-sized swimming pool holding 4.32 x 10^5 of water.
Please show solutions and answer to the problem.
A person starts from rest at the top of a large, frictionless, spherical, and slides into the water elow. At what angle does the person leave the surface? (Hint: when the person leaves the surface, normal force is zero.) Radius is not given.
A Ferris wheel is moving at an initial angular velocity of 1.0 rev/54s. If the operator then brings it to a stop in3.4min, what is the angular acceleration of the Ferris wheel
How much energy has been stored in the magnetic field of the inductor during the first 2.100 s after the switch has been closed? At what rate is thermal energy being produced in the resistor at time t = 1.050 s?
during the spin cycle of your clothes washer the tub rotates at a steady angular velocity of 32.5 rads. find the
a solid cylinder (M=2.07 kg, R=0.117 m) pivots on a thin, fixed, frictionless bearing. Calculate the angular acceleration of the cylinder
a small metal ball with a mass of 5.95 g and a charge of 5.31 mc is located at a distance of 0.63 m above the ground in
a search light requires 56 watts of power when connected to 117 volts. What is the resistance of the searchlight
An undamped 2.23-kg horizontal spring oscillator has a spring constant of 24.3 N/m. What is the oscillator\'s total mechanical energy as it passes through a position that is 0.785 of the amplitude away from the equilibrium position
A tuning fork vibrating at 516 Hz falls from rest and accelerates at 9.80 m/s2. How far below the point of release is the tuning fork while waves with a frequency of 489 Hz reach the release point? Take the speed of sound in air to be 340 m/s.
A baseball of mass 0.15kg approaches a batter at 30.0 m/s. Consider the ball as traveling horizontally toward the batter in the negative x-direction so that V= -30.0 i m/s. What is the work done by the bat on the ball
15.0 meters from a sound source that radiates freely in all directions, the intensity is 0.00105 W/m2. What is the rate at which the source is emitting sound energy
Vector A has a magnitude of 8 units and makes an angle of 45.0° with the positive x-axis. Vector B also has a magnitude of 8.00 units and is directed along the negative x-axis. (Using graphical methods), find (a) vector sum A + B and (b) vector diffe..
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