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Suppose that potons are fired towards the large flat side of a positively charged conducting plate and the initial speed of the protons is v0 and the initial distance between the protons and the plate is d.
A) Draw situation
B) What is the minimum speed so that the protons will hit the plate? (Minimum implies that the initial velocity is zero)
C) How long does it take for the protons to hit the plate?
Two sinusoidal waves of the same period, with amplitudes of 7.0 and 9.0 mm, What is the phase constant of the other wave
An airplane is flying in a horizontal circle at a speed of 100 m/s. The 80.0-kg pilot does not want her radial acceleration to exceed 7g. (a) What is the least radius of the circular path? (b) At this radius, what is the force causing the centripe..
A thermos contains 170 cm3 of coffee at 85° C. To cool the coffee, you drop two 14-g ice cubes into the thermos. What is the final temperature of the coffee
A 1.30 x10^3kg racecar is driving around a circular track of radius 159 m. What is the magnitude of the net force acting on the vehicle at this time and the force\'s direction relative to the velocity
When a certain air-filled parallel-plate capacitor is connected across a battery, it acquires a charge of magnitude 196 ?C on each plate. What is the dielectric constant of the dielectric slab
A playground merry-go-round of radius R = 1.40 m has a moment of inertia I = 255 kg · m2 and is rotating at 9.0 rev/min about a frictionless vertical axle. What is the new angular speed of the merry-go-round
Violet light and red light travel through air and strike a block of plastic at the same angle of incidence, find the index of refraction for violet light in plastic
In a wire with a 1.67-mm2 cross-sectional area, 8.43 × 1020 electrons flow past any point during 3.87 s. What is the current in the wire
A person does 100 joules of work of pulling back the string of the bow. What will be the original speed of a 0.5 killogram arrow when it's fired from the bow.
A cube of side 2cm is made of material of bulk modulus 4.7\times 10^{^{5}} N/m^2. What is the new length of each of its sides
Four identical masses of mass 600 mg each are placed at the corners of a square whose side lengths are 15.0cm.What is the magnitude of the net gravitational force on one of the masses, because of the other three.
Consider an RC circuit with R = 3.10k? , C = 1.40?F . The rms applied voltage is 240V at 60.0Hz. compute the phase angle between voltage and current
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