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1. Two slits with a separation of 8.5 x 10^(-5) m create an interference pattern on a screen 2.3 m away.
A) If the tenth fringe above the central bright fringe is a linear distance 12 cm above the central fringe, what is the wavelength of the light used in the experiment?
B) What is the linear distance from the central bright fringe to the tenth dark fringe above it?
How various people can the raft hold before they start getting their feet wet, assuming the average person has a mass of 64? Do not avoid the weight of the logs. Assume the specific gravity of wood is 0.70.
A thin circular disk of radius R rotates with angular speed w, about an axis through the centre of the disc and perpendicular to the plane of the disc.
A 51 crate, starting from rest, is pulled across a floor with a constant horizontal force of 250 . For the first 11.5 the floor is frictionless, and for the next 11.5 the coefficient of friction is 0.16. what's the final speed.
The wings on a stonefly do not flap, and thus the insect cannot fly. However, when the insect is on a water surface, What is the ratio of the sailing speed vs to the average non-sailing speed vns
Compact fluorescent bulbs are much more efficient at producing light than are ordinary incandescent bulbs. They initially cost much more, but last far longer and use much less electricity.
A tennis ball is hit with a vertical speed of 30 m/s and a horizontal speed of 25 m/s. How long will the ball remain in the air? How far will it travel horizontally during this time?
A single loop of wire with an area of 0.0900 m2 is in a uniform magnetic field that has an initial value of 3.80 T, is vertical to the plane of the loop, and is decreasing at a constant rate of 0.190 T/s.
Three blocks, each of mass 9 kg are on a frictionless table. A hand pushes on the left most box (A) such that the three boxes accelerate in the positive horizontal direction, What is the magnitude of the force on block A from the hand
A deuteron (the nucleus of an isotope of hydrogen) has a mass of 3.34×10?27kg and a charge of 1.60×10?19C, Find the speed of the deuteron
A solenoid is used as a rotor of an electrical motor. It is 10 cm long and 2 cm in diameter. The wire wrapped around it makes 1000 turns and has a resistance of 100 Ohms. find the electrical power delivered by the battery
A simple harmonic oscillator takes 12.0 s to undergo six complete vibrations.
An 80.0-kg man jumps from a height of 2.50 m onto a platform mounted on springs, What is the man's speed at the instant he depresses the platform 0.120 m
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