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A neutron at rest decays into a proton with a decay energy of Q=0.782 MeV. Find maximum kinetic energy of the residual proton.
A 0.21-kg pinecone falls 15 m to the ground, where it lands with a speed of 9 m/s, How much work was done on the pine cone by air resistance
the speed of an object and the direction in which it moves constitute a vector quantity known as the velocity. an
If you submerge an 8kg log in water and it displaces 10kg ofwater, what will be the net force on the log be the moment you letgo of the log
Two small plastic balls hang from threads of negligible mass. Each ball has a mass of 0.57 g and a charge of magnitude q. Find the magnitude of the electric force acting on the ball
A 1200-kg car is being unloaded by a winch. At the moment shown in figure 9-46, the gearbox shaft of the winch breaks, and the car falls from rest. Find the speed of the car as it hits the water
An electron experiences the greatest force as it travels 1.02*10^6 m/s in a magnetic field when it is moving horizontally. The force is upward and of magnitude 1.75*10^-12 N. What is the magnitude of the magnetic field?
Calculate the minimum angle above the horizontal at which Hiawatha must aim in order to outrun the arrow.
a skier is gliding along at 4.0 ms on horizontal frictionless snow. he suddenly starts down a 14deg incline. his speed
If a person's food energy intake is 2400 kilocalories per day and if all this energy is given off as heat, what is the average rate of heat output in watts
Find out an acceleration of mass and tension in the string
a constant force changes the speed of a 76 kg sprinter from3m/s to 4m/s be 0.45s. What is the magnitude (in m/s2)of the acceleration of the sprinter
A package of supplies is to be dropped from an airplane so that it hits the ground at a designated spot near some campers, What should the angle be between the horizontal and the pilot's line of sight to the drop point
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