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An accelerating voltage of 2.52 x 10^3 V is applied to an electron gun, producing a beam of electrons originally traveling horizontally north in vacuum toward the center of a viewing screen 35.7 cm away.
(a) What is the magnitude of the deflection on the screen caused by the Earth's gravitational field (in m)?
m
(b) What is the magnitude of the deflection on the screen caused by the vertical component of the Earth's magnetic field, taken as 20.0 µT down (in mm)?
(c) Explain why it is a good approximation to assume it has this projectile motion?
A beam consisting of 8.22x10^16 electrons/sec passes through a region of vacuum. A) What magnetic field would be measured 1.50cm away from the center of the beam?
q1. a 77 kg man drops from rest on a diving board -3.1m above the surface of the water and comes to rest .41s after
A space probe is traveling in outer space with a momentum that has a magnitude of 7.80 107 kg · m/s. Determine the momentum of the probe after the retrorocket ceases to fire
a 2kg block of wood slides on the surface shown. all surfaces are frictionless, except the trough which is rough; the coefficient of kinetic friction there is 0.2 and the trough is 15m long. where will the block come to rest
Sam, whose mass is 74kg , straps on his skis and starts down a 44m -high, 20? frictionless slope. Use work and energy to find Sam's speed at the bottom
A large balloon of mass 222 kg is filled with helium gas until its volume is 335 m3. Assume the density of air is 1.29 kg/m3 and the density of helium is 0.179 kg/m3. Calculate the buoyant force acting on the balloon
A large storage tank, open at the top and filled with water, develops a small hole in its side at a point 15.8 m below the water level. If the rate of flow from the leak is equal to 2.00 10-3 m3/min, determine the speed at which the water leaves th..
Find the magnification of the heater element given that the mirror has a radius curvature of 46 cm and produces an image of the coils 2.6m away from the mirror
Two point charges lie along the y axis. A charge of q1 = -12.0 µC is at y = 7.0 m, find the point at which the total electric field is zero
0.0024 J of energy are stored in a parallel-plate capacitor whose plates each have area 0.30 m2 and are 1.5 mm apart. What is the electric field energy density between the plates
Reduce the expression for the time rate of change of the expectation value of the y component of orbital angular momentum , d /dt to the simplest possible form
Three negative charges of equal magnitudes are positioned along the x-axis at x = -a, x=0, and x = +a respectively. The charge located at x=0 is moved away along the y-axis to a position (x,y) = (0, +a). How does the potential energy of the system..
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