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When a uranium nucleus at rest breaks apart in the process known as fission in a nuclear reactor, the resulting fragments have a total kinetic energy of about 200 MeV.
How much mass was lost in the process?
A 100 meter length of steel changes temperature by 30 C during the course of a day. If the coeffcient of thermal expansion of steel is 12 parts per million per C, what is the change in length of the steel
A person with perfect pitch sits on the bus bench listening to the 442 Hz horn of an approaching car. If the person detects a frequency of 479 Hz, how fast is the car moving.
A 60 ohm resistor is connected in series with a 30x10^-6 capacitor and a generator having a maximum voltage of 120 volts, what is the phase angle of the circuit
A soccer player extends her lower leg in a kicking motion by exerting a force with the muscle above the knee in the front of her leg. What is the force exerted by the muscle if its effective perpendicular lever arm is 2.10 cm
A charged particle m=6g q=-80 c moves in a region of uniform field along a helical path (radius = 3.0 cm, pitch = 9.0 cm) as shown. Illustrate what is the angle among the velocity of the particle and the magnetic field?
An electron (charge -e) is projected horizontally into the space between two oppositely charged parallel plates. The electric field between the plates is 462N/C upward.
A robot probe drops a camera off the rim of the 389 m high cliff on Mars, where the free fall acceleration is 3.7 m/s^2. Find out velocity with which it hits the ground and the time required for it to reach the ground.
At a distance of 6.0 km from a radio transmitter, the amplitude of the oscillating electric field of the radio wave is Eo=.13 V/in, What is the time-averaged energy flux
A worker on a scaffolding 65 ft above the ground needs to lift a 390 lb bucket of cement from the ground to a point 30 ft above the ground by pulling on the rope weighting 2 lb/ft . Set up the integral of how much work is required (just give the i..
A model rocket rises with constant acceleration to the height of 3.7, at which point its speed is 25. what was the magnitude of the rocket's acceleration.
Two identical pucks are placed on a collision course on an air table as shown. After the collision puck A has a final velocity of 5 cm per second, Determine the initial speeds of both pucks
Two skydivers are holding on to each other while falling straight down at a common terminal speed of 51.1 m/s. What is the change in kinetic energy of the system
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