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It has been found that burning 1 liter, or 0.74 kg, of gasoline reduces its rest mass by 3.8 10-10 kg. In an atomic bomb, 8. 1013 J of energy are released for every kg of nuclear fuel undergoing fission-the same energy released in the explosion of roughly 20,000 tons of TNT. Find the ratio of the fractional decrease in mass of the nuclear fuel to the fractional decrease in mass of gasoline when each is burned.
A 0.04 kg aluminum bullet traveling at 444 m/s strikes an armor plate and comes to a stop. If all its energy is converted to heat that is absorbed by the bullet, what is the bullet's temperature change in degrees Celsius? (This is a multi-step pro..
A wire has a cross-sectional area of 5.5×10-6 m2. In a time of 3.7 s, 5.8 C of charge flows through it. What is the magnitude of the current density in the wire?
When a mass m is hung a spring the spring stretched 6.0cm. What is the period of vibration if it is then pulled down a little and released
A sphere of styrofoam with a density of 152 kg/m3 has a 45 cm diameter. what is the maximum iron mass that can be suspended by a string from it so that it does not sink
Consider a flagpole (mass 20kg and length 10m) attached to the wall by a cable, What is the magnitude and direction of the force exerted by the hinge on the flagpole
flight to mars. to send a satellite from earth to mars a rocket must accelerate the satellite until it is in the
A tungsten cathode with work function 4.5 eV is heated torelease electrons that are then initially at rest outside the cathode. The electrons are accelerated by a potentialdifference to create a beam of electrons with a deBroglie wavelength of 0.0..
A catcher catches a fastball going 95mi/hr and recoils 12cm while stopping the ball in 0.005s. FIND the average force the ball exerts on the hand & glove
A light ray initially in water enters a transparent substance at an angle of incidence of 43.0°, Calculate the speed of light in the transparent substance
A roller coaster at an amusement park has a dip that bottoms out ina vertical circle of radius r. A passenger feels the seat of thecar pushing upward on her with a force equal to twice her weight asshe goes through the dip. If r = 20.0 m, how fast..
A hanging mass, M1 = 0.18 kg, is attached by a light string that runs over a frictionless pulley to the front of a mass M2 = 0.47 kg that is initially at rest on a frictionless table. A third mass M3 = 0.71 kg, which is also initially at rest on a fr..
A 2000kg car accelerates from 20 to 60km/h on an uphill road. Determine the work done by the engine
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