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In the a proton is projected horizontally midway two parallel plates that are separated by 0.50 cm. The electrical field due to the plates has magnitude 610,000 N/C between the the plates away from the edges. If the plates are 5.60 cm long find the minimum speed of the proton if it just misses the lower plate as it emerges from the field.(ep=1.60 x 10-19 C, epsilon 0=8.85 x 10-12 C2/N.m2 ,mel=1.67 x 10-27kg)
A blue ball is thrown upward with an initial speed of 22.2 m/s, from a height of 0.6 meters above the ground. 2.7 seconds after the blue ball is thrown, a red ball is thrown down with an initial speed of 6 m/s from a height of 26.7 meters above the g..
A bear standing on the side of a very still and clear pond is about to take a swipe at a bass just off the bank. how far beneath the water does he believe the fish to be
When a carpenter shuts off his circular saw, the 10.0-inch diameter blade slows from 4812 rpm to zero in 2.50 second. Obtain what is the angular acceleration of the blade
An elevator car of mass 810 kg falls from rest 2.70 m, hits a buffer spring, and then travels an additional 0.350 m, What is the force constant of the spring
A nichrome toaster wire, initially at room temperature, carries 2.72A immediately after it's turned on. After the wire heats, the current drops to 2.44A
A 55.0-mH inductor and a 8.80-μF capacitor are connected in series with a generator whose frequency is 300 Hz. The rms voltage across the capacitor is 2.60 V. Describe the rms voltage across the inductor.
The rolling resistance for steel on steel is quite low; the coefficient of rolling friction is typically ur=0.002. How far will the locomotive move during this time
A rock is projected from the edge of the top of the building with an initial velocity of 12.2 m/s at an angle of 53 degrees above the horizontal. The rock strikes the ground a horizontal distance of 25m from the base of the building. Assume that t..
The electric field near the surface of Earth points downward and has a magnitude of 156 N/C. What is the ratio of the magnitude of the upward electric force on an electron to the magnitude of gravitational force on the electron?
q1. suppose a uniformly charged with a linear charge density wire starts at point 0 and rises vertically along the
One car mass 750 g is moving 36 km/hr to the right on track collides with a car of mass of 500g, Find the velocity and direction of the heavier car after collision
Why is it that a grow-lamp tube has an apparent color temperature of 5500 K and is cool to the touch. However, the much dimmer tungsten lamp burns on touch? What would the blackbody spectrum of the tube look like?
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