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A cyclotron is sometimes used for carbon dating. Carbon -14 and carbon -12 ions are obtained from a sample of the material to be dated and are accelerated in the cyclotron. If the cyclotron has a magnetic field of magnitude 2.40 T, what is the difference in cyclotron frequencies for the two ions?
Sand dunes on a desert island move as sand is swept up the windward side to settle in the leeward side, Calculate the average speed in each case in m/s
you are driving through town at 13.5 ms when suddenly a ball rolls out in front of you. you apply the brakes and begin
a light beam is traveling through an unknown substance. when it exits that substance and goes into air the angle of
A particle falls in Earth's gravity. The force of air resistance is F = ??v v(bold) where v(bold) is the velocity, v is the speed, Suppose the initial velocity is 0. How far has the object fallen when the speed is one-half the terminal speed
when you throw a stone at a glancing angle into the water it skips several times before sinking. can you increase the
The inner and outer surfaces of a cell membrane carry a negativeand positive charge, respectively. Because of these charges, apotential difference of about 0.065 Vexists across the membrane.
a -10.0nc point charge and a 20.0nc point charge are 15.0cm apart on the x-axis.what is the electric potential at the
You make five measurements of a particular wavelength, and you find you have some random noise. Your measurements are 244, 251, 248, 248, 246 nm. What is the mean value for your five measurements
A sign (mass 1800kg ) hangs from the end of a vertical steel girder with a cross-sectional area of0.019m2 . Ignore the mass of the girder itself. What is the stress within the girder
A motor may be modeled as a series RL circuit. A particular motor operates from an ordinary 60-Hz wall outlet with Erms= 115 V. what is the inductive reactance of the circuit
Will the car hit the barricade
If you place the box on a dolly of mass 4.7 and with coefficient of rolling friction 2.0×10−2, illustrate what horizontal acceleration would that 154 force provide?
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