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A proton and an Au11+ are moving with equal velocities perpendicular to a uniform magneticfield. The Au11+ has 11times the charge as the proton and has 197times its mass. The ratio of the acceleration of theAu11+ to that of the proton is what?
A diver 22m deep in 12°C fresh water exhales a 0.8 cm diameter bubble. What is the bubble's diameter just as it reaches the surface of the lake, where the water temperature is 25°C? Hint: suppose that the air bubble is always in thermal equilibriu..
A typical wall outlet is 120 volts in the U. S. Personal MP3 players require much smaller voltages, calculate the number of turns on the secondary coil of the adapter transformer
A 0.052 kg mass oscillates on a spring with a frequency of 8.2 Hz and an amplitude of 0.025 m. What is the maximum acceleration during an oscillation
You throw a ball straight up in the air. The instant after leaving your hand, the balls speed is 30 meters per second. Ignoring the effects of air resistance, predict how fast the ball will be traveling 2 seconds later.
The second person, on the opposite side of the lock, pulls at an angle of 45o. Illustrate with what force should the second person pull so that the net force on the raft is in the forward direction?
Tam walks with the velocity of 1.8 m/s west. He does so while riding on a conveyor belt that moves at a velocity of 0.7 m/s west. What is Tam's velocity.
A hovercraft of mass 69.0 kg can move on a horizontal surface, the x-y plane. A single unbalanced force acts on the hovercraft, How much work is done on the hovercraft by the force during this time
The bones of a saber-toothed tiger are found to have an activity per gram of carbon that is 15.3% of what would be found in a similar live animal. How old are these bones (in years)
A gamma-ray photon produces an electron-positron pair, each with a kinetic energy of 230keV. What was the energy of the photon
A lumberjack (m= 98 kg) is standing at rest on one end of afloating log (m= 230 kg) that is also at rest. What is the velocity of the first log just before thelumberjack jumps off
A beam of protons at an accelerator creates a current of 120 mu/A. how many protons strike the target in 30.0 s
A spring is hung from the ceiling. A 0.322 -kg block is then attached to the free end of the spring. Find the angular frequency of the block's vibrations
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