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Some mass spectrometers use an electric field to give the incoming ions a certain known kinetic energy as they enter the magnetic field. Assume a magnetic field strength of 0.3 T.
(a) If a certain ion carries a charge of 30 uC, has a mass of 0.7 g, and possesses an initial kinetic energy of 1.5 × 10-7 J, what is the radius r of its circular path?
(b) What is the final kinetic energy of the ion just before it reaches the ion detector? Please show your work
Resistivity measurements on the leaves of corn plants are a good way to assess stress and overall health. What is the resistivity of the leaf tissue
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A person whose eyes are 1.75m above the floor stands in front of the plane mirror. The top of her head is 0.11.
what is the rms speed of the molecules. Graphically find out the distance and direction from Lake B to the base camp.
During 9.93 seconds a motorcyclist changes his velocity from v1,x = -37.3 m/s and v1,y = 14.1 m/s to v2,x =-21.9 m/s and v2,y = 29.3 m/s, Find the components of the motorcycle\'s average acceleration
One liter of water is 41C is used to make iced tea. How much ice at 0 C must be added to lower the temperature of the tea to 17C? The specific heat of water is 1 cal/g C and latent heat of ice is 79.7 cal/g. Reply in units of g.
Calculate the rotational inertia of a meter stick, with mass 0.64 kg, about an axis perpendicular to the stick and located at the 18 cm mark
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Current passes through a solution of sodium chloride. in 1.00 secnds, 2.68 x 10^16 Na+ ions arrive at the negative electrode, what is the current in the fluid
A 15 g rifle bullet traveling 205 m/s buries itself in a 3.4 kg pendulum hanging on a 2.6 m long string, which makes the pendulum swing upward in an arc. Find out the vertical and horizontal components of the pendulum's displacement.
Air conditioners are rated by their coefficient of performance at 60F inside temperature and 96F outside temperature. What is the maximum possible coefficient of performance
A spring of stiffness 25 kN m-1 is compressed by an initial load of 5 kN, gradually applied, What is the total work done on the spring
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