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| Questions:
TimeLeft: Posted: |
Physics
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2. A proton moving at 5.00x10^6 m/s enters a hole in a positive and is accelerated through a potential difference of 300V. What will be the kinetic en more... |
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Jan 15th |
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the lenght of a vector arrow in a diagram is proportional to what property of the vector? more... |
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Nov 27th |
For a guitar string of length 650 mm, calculate the ideal points (distances from the bridge) to lightly touch and to pluck in order to:
a.) Ex more... |
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Nov 2nd |
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an electron moves in a straight line with A CONSTANT SPEED,v=1100000CM/S which has been measured to a precision of 0.1%what is the maximum precision w more... |
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Oct 25th |
1.write the type of mechanical wave
2.define unit vector
3.define centripetal force
more... |
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Jul 13th |
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A particle physicist launches a weather ballon containing a muon detector to a height of4000m. Muons are a short lived component of cosmic rays with a more... |
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Jun 16th |
A star is 40.0 ligh-years from Earth (1 light-year is the distance that light travels in 1 year).
a) How far would you measure this distance to b more... |
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Jun 16th |
what is the equation I use? Fill in the parts please.
A yellow lamp emits light with a wavelength of 6.00 · 10-7 m. Calculate the fre more... |
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Jun 10th |
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A clock radio is rated as 30 W of power output. If the radio also draws 30 W at 120 V, which will the current draw be more... |
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May 19th |
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If a person uses 1.3 Kg mass to make a system using a spring and a pendulum with the same period. What is the spring constant required for the spring. more... |
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Apr 16th |
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A student measuring the wavelength produced by a sodium vapour lamp directed the sodium light through two slits with a separation of 0.15mm. An interf more... |
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Mar 20th |
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A student measuring the wavelength produced by a sodium vapour lamp directed the sodium light through two slits with a separation of 0.15mm. An interf more... |
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Mar 20th |
In glass, the speed of light is reduced. Calculate the speed of red light with a
frequency of 4.33 × 1014 Hz if its wavelength is 4.17 &time more... |
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Feb 27th |
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What is the potential that must be applied across an X-ray tubewith a wavelength ofof 1.0 x 10-11 m. to give each incident electron its energy? more... |
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Feb 25th |
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A nurse counts 76 heartbeats in one minute. What are the period and frequency of the heart\'s oscillations? more... |
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Feb 23rd |
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