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An alpha particle (m= 6.6 x 10-27 kilogram) is accelerated by a potential difference of 5000 Volt and the enters a region with a vertical (out the page) .75 T magnetic field
a) Determine the speed of the alpha particle.
b) At a certain instance, the alpha particle is moving east. Find the magnitude and direction of the magnetic force on it.
c) Determine the radius of the circular motion.
During one cycle a heat engine transfers 4 X 103 J of heat from a hot reservoir and exhausts 2.4 X 103 J to a cold reservoir. How much work is performed by this engine in one cycle
A copper cup of mass 0.300 kg contains 1.00 kg of water at 315 K. It is cooled so that the temperature decreases by 2.50 K each minute. What is the rate of removal of thermal energy in watts
A uniform disk of radius R=0.50m and mass, M=10kg is free to rotate about an axle through its center. What is the net torque on the disk about the center of the disk
Cooling water from a river flows through the condenser (the low-temperature heat exchanger) at the rate of 1.2×108L/h (?30 million gallons per hour). If the river water enters the condenser at 18?C, what is its exit temperature
q1. a 0.48 kg object is attached to a spring with a spring constant 178 nm so that the object is authorized to move on
Two identical probes are sent along the same path toward a neutron star. Find the distance between the center of mass of the two probe system
A medicine ball is thrown at Bob (who is standing still). The medicine ball weighs 6kg and Bob weighs 82.50 kg. What was the velocity of Bob and the ball after the catch
Early skeptics of the idea of a rotating Earth said that the fast spin of Earth would throw people at the equator into space. The radius of Earth is about 6.38 x 103 km. Show why this objection is wrong by calculating
A starship that was traveling at 0.7 c just returned from a 4-year voyage. If the time means 4.0 years of earth time, how much time elapsed on the ship? If the time means 4.0 years of ship time, how much time passed on earth?
A mass-spring system oscillates with an amplitude of 5.60 cm. If the spring constant is 228 N/m and the mass is 454 g, Determine the mechanical energy of the system
A visitor to a lighthouse wishes to determine the height of the tower. What is the height of the tower
The distance between the moon and the earth is 384,403 km, The orbital period of the moon is about 27.32 days. Calculate the average orbital speed in m/s of the moon
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