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Light of wavelength 670nm falls on two slits and produces an interference pattern in which the third-order bright red fringe is 49mm from the central fringe on a screen 2.6m away.
What is the separation of the two slits?
What should be the spring constant of a spring designed to bring a 1500 car to rest from a speed of 80 so that the occupants undergo a maximum acceleration of 5.
Assume too that the bullets rebound straight back with no change in speed. What is the magnitude of the average force on Superman's chest from stream of bullets.
An astronaut orbiting the Earth is preparing to dock with a Westar VI satellite, Determine the speed of the satellite
A helicopter is ascending vertically with a speed of 4.50 m/s. At a height of 195 m above the Earth, a package is dropped from a window. How much time does it take for the package to reach the ground.
When a potential difference of 172 V is applied to the plates of a parallel-plate capacitor, the plates carry a surface charge density of 23.0 nC/cm2
A parallel plate capacitor has square plates with sides of length 20 cm. The distance between the plates is 4 mm. The plates are charged up to 50volts, What is the energy stored by the capacitor
The frequency of an opera singer is 450 Hz. Assume the speed of sound in air is 340 m/s. What is the frequency heard by an observer who is running down the road towards the opera singer with a speed 25.0 m/s.
What is the little distance between the speakers for which the interference of the sound waves is destructive.
A jogger travels a route that has two parts. The first is a displacement of 2.00 km due south, and the second involves a displacement that points due east.
A car is driving 22.7m/s flat ground drives off 42.3 m high cliff. How much time does it take to reach the ground.
Three point masses each of mass m are connected by two thin rods each of mass M and length L. The central mass is at an origin and the z-axis is directed out of the page.
A charged particle moves in a uniform magnetic field of 0.579 T with a period of 3.15 × 10-6 s. Find its charge-to-mass ratio
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