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Question: Millikan used Stokes's law, which says that a small sphere of radius a falling with velocity v in a homogeneous medium of viscosity η = 18.6× 10-6 Pas is subject to a retarding force F = 6πηav.
He observed that a drop of oil of density ρ = 0.92gcm-3 would fall 0.522cm in 13.6s.
a. What was the radius of the drop?
b. What was its mass?
Determine the period of the wave motion.
consider a point charge q 5.0?c point a at distance d1 1.050 m from q and point b at distance d2 0.500 m. if these
questiona status newtons first law of motion. b a 2-kg object is affecting horizontally with a speed of 4 ms. how much
A 2100pF capacitor is connected to a65µH coil of resistance3.4. What is the resonant frequency of this circuit
An outfielder throws a 0.150 kg baseball at a speed of 54.0 m/s and an initial angle of 30.0°. What is the kinetic energy of the ball at the highest point of its motion
Derive an expression for the velocity of second sound in a magnum gas, assuming ω = Dk2, where D is a constant.
a 11micro f capacitor is joined in series with a 35micro f capacitor and a 12 volts battery.a what is the potential
Two ships are moving along a line due east (see figure below). The trailing vessel has a speed relative to a land-based observation point of v1 = 59.5 km/h, What frequency is monitored by the leading ship
A +44 nC charge is placed on the z- axis at (0,0,5 cm). A grounded conducting plane fills the x-y plane where z=0. A) Find the surface charge charge density on the conducting plane at the origin.
(a) If a person can jump a maximum horizontal distance (by using a 45°projection angle) of2.17mon Earth, what would be his maximum range on the Moon, where the free-fall acceleration isg/6andg= 9.80 m/s2?
A fight breaks out at club event in Hollywood. As a result, a chair hits a 4.0 meter long metal baron the stage. Find at what speed did the sound pulse travel through the metal bar
A fan on a car engine is running at an operating speed of 1500RPM when it experiences an angular deceleration of 42.5 rad/s2 for30.0 revolutions. (a) determine the final angular speed of the fanin rpm (b) how long does it take to reach this speed?
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