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A laser beam, with a wavelength of 532 nm, is directed exactly perpendicular to a screen having two narrow slits spaced 0.15 mm apart. Interference fringes, including a central maximum, are observed on a screen 2.5m away. The direction of the beam is then slowly rotated around an axis parallel to the slits to an angle of 1.5o By what distance does the central maximum on the screen move?
A projectile (mass = 0.28 kilogram) is fired at and embeds itself in a target (mass = 2.02 kilogram). Find what percentage of the projectile incident kinetic energy does the target (with the projectile in it) carry off after being struck
Find out the lengths of acceleration and deceleration phases
A Carnot engine operates between 110oC and 260oC. Find the net work per cycle that this engine is capable of performing
in a popular amusement park ride a rotating cylinder of radius 3.05 m is set in rotation at an angular speed of 0.45
A cement block accidentally falls from rest from the ledge of a 72.6 -m-high building. How much time, at most, does the man have to get out of the way
q1. a shell fired from a cannon has a muzzle speed the speed as it leaves the barrel of 800 fts. the barrel makes an
A passenger on a moving train walks at a speed of 1.80 m/s due north relative to the train, What are the magnitude and direction (west of north) of the velocity of the train relative to the ground
three identical electrically charged balls each of mass 2 kg are suspended from a common point with strings of the same
A mass of 12.5 kg is hanging by a steel wire 1.11 m long and 1.03 mm in diameter. If the mass is pulled down slightly and released, what will be the frequency of the resulting oscillations
A 4900 kg lunar lander is in orbit 60 km above the surface of the moon. How much work must the thrusters do
A glass windowpane in a home is 0.62 centimeter thick and has dimensions of1.0 m 1.9 meter. Obtain the rate at which energy is transferred by heat through the glass
A potential dissimilarity of 82 mV exists among the inner and outer surfaces of a cell membrane. The inner surface is negative relative to the outer surface. How much work is needed to eject a positive sodium ion (Na+) from the interior of the cell?
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