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Two narrow slits are illuminated by a laser with a wavelength of 545 nm. The interference pattern on a screen located x = 5.50 m away shows that the second-order bright fringe is located y = 8.80 cm away from the central bright fringe. Calculate the distance between the two slits.
The screen is now moved 2.4 m further away. What is the new distance between the central and the second-order bright fringe?
a ball is thrown down vertically with an initial speed of 22 fts from a height of 34 ft.a what is its speed in fts just
a 38 g bullet strikes a 0.65 kg block attached to a fixed horizontal spring whose spring constant is 6.2 x 103 nm and
The nucleus of an atom is on the order of 10-15 m in diameter. For an electron to be confined to a nucleus, What would be the kinetic energy of an electron confined to this region
A device has a 100 g wooden shuttle that is pulled horizontally along a square frictionless wooden rail by an elastic band. find the magnitude of the initial acceleration of the shuttle
Birds resting on high-voltage power lines are a common sight. The copper wire on which a bird stands is 2.5 cm in diameter and carries a current of 48 A. calculate the potential difference between its feet
One mole of a gas expands from a volume of 5 liters and a temperature of 273 K to a volume of 12 liters and a temperature of 300 K. What is the work done by the gas on the environment?
A truck initially going 10m/s slams on the breaks. If the coefficient between the truck's tires and road is %u03BC=0.4, what is the minimum stopping distance of the truck
A 1.99 kg solid sphere (radius = 0.104 m) is released from rest at the top of a ramp and allowed to roll without slipping. The ramp is 0.795 m high and 4.97 m long. What is its translational kinetic energy
Sodium ions (Na+) move at 0.843 m/s through a bloodstream in the arm of a person standing near a large magnet. what would be the magnetic force on the arm
A resistance of ohms ,an inductive reactance of 8 ohms and capacitive reactance of 15 ohms are connected in parallel across 120V, Find total current , power factor
A rifle fires a 2.39 10-2-kg pellet straight upward, since the pellet rests on a compressed spring that is released when the trigger is pulled. The spring has a negligible mass and is compressed by 9.17 10-2 m from its unstrained length. The pellet r..
The pulley system is used to lift a 61 kg crate. Note that one chain connects the upper pulley to the ceiling and a second chain connects the lower pulley to the crate. The crate is rising with an acceleration of 2.4 m/s2. Assume the masses of the ch..
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