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A proton starting from rest is accelerated in a cyclotron to a speed of 3.0•106 m/s. How much work, in electron volts, is done on the proton by the electrical force of the cyclotron that is accelerated? ( 1 eV = 1.6•10-19 J)[a] 32.0 keV[b] 47.0 keV[c] 27.0 keV[d] 83.5 keV
Get the expression for how moving clocks run slowly when seen by observers at rest.
Two identical aluminium objects are insulated from their surroundings. Object A has a net charge of excess electrons. Object B is grounded. Which object is at the higher potential.
What horizontal force is needed to hold bag in new position
The internal energy of the coin
An airplane starting from airport A flies 280 km east, then 365 km at 29.0° west of north, and then 130 km north to arrive finally at airport B.
Calculate the power required by an object to lift another object
Find an angular velocity of the tire at the marker. Find also the linear speed of the point of contact of the tire with the pavement at the marker.
The sport with the fastest moving ball is jai alai, where measured speeds have reached 303km/h. If a professional jai alai player faces a ball at that speed and involuntarily blinks, he blacks out the scene for 100ms. How far does ball move throughou..
When the space shuttle (mass of the shuttle=2*10^6kg) was at the outer limit of Earth's atmosphere (distance= 350km above Earth's surface), astronauts measured the gravitational force from Earth to be equal to 1.7*10^7 newtons. Find the gravitatio..
The temperature of the glass surface of a 30 W light bulb is 75°C when the room temperature is 10°C. Estimate the temperature of a 150 W light bulb with a glass bulb the same size. Consider only radiation, and assume that 90% of energy is emitted as ..
How greatly time elapses before the compass hits the ground
What is rms speed of the atoms at temperature
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