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An electron has a momentum that is two times larger than its classical momentum. Find the speed of the electron?
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A 4.60 g bullet moving at 616 m/s strikes a 670 g wooden block at rest on a frictionless surface. The bullet emerges, traveling in the same direction with its speed reduced to 432 m/s. What is the speed of the bullet-block center of mass
A projectile is fired in such a way that its horizontal range is equal to 14 times its maximum height. What is the angle of projection
If a capacitance meter applies a charge of 3.0 V across two plates and reads a capacitance of 30 pF, what is the charge on the plates
A rifle with a barrel length of 57cm fires a 12g bullet with a horizontal speed of 450m/s, What resistive force (assumed to be constant) does the wood exert on the bullet
An Indy car with a speed of 120km/h goes around a level, circular track with a radius of 1km. What is centripetal acceleration of the car.
Red light of wavelength 633nm from a helium-neon laser passes through a slit 0.360mm wide. What is the width of the first bright fringe on either side of the central one
Two canoes are tied together and traveling down a straight river with the current. Spotting a waterfall, What is the combined mass of this canoe and rider
A particle with charge of 28.3 µC is placed at the center of a spherical shell of radius 27.5 cm. find the total electric flux through the surface of the shell
The resistive-wire thermometer is then calibrated against a Hg thermometer. The resistance in terms of the temperature t on the Celsius scale can be optimally fitted by the expression R = R0(1 + alpha t + beta t2) where alpha = 3.80 Times 10-3 degree..
A soccer player kicks the ball toward a goal that is 27.0 m in front of him. Find the speed of the ball when the goalie catches it in front of the net
An overhead projector has a convergent lens of focal length 35.0 cm. It projects the image of transparency on a wall 4.00 meters from the lens. how wide is the image on the screen
a map suggest that atlanta is 730 miles in a direction of 5.00°north of east of dallas find net displacement vector from dallas to chicago
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