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Light of wavelength 590nm passes throughtwo narrow slits 0.60 mm apart. The screen is 1.70 maway. A second source of unknown wavelength produces itssecond-order fringe 1.33 mm closer ot the central maximum than the590-nm light. What is the wavelength of the unknown light?
A portable DVD player is operated by rechargeable batteries. The batteries are recharged by a unit that plugs into a wall socket. What voltage is used to drive the DVD player
A 40 kg artillery shell was fired from a cannon with an initial speed of 84 m/s at a 45° angle above the ground. How far from the cannon (in m) did the lighter piece land
Zinc has a work function of 4.30 eV. What is the maximum possible speed of the electron
A cylinder of mass M=30 kg and radius R=2m rolls without slipping. What is the acceleration of the center of the cylinder
You and the friend each drive 47.0 km. You travel at 87.0 km/h; your friend travels at 98 km/h. How long will your friend wait for you at the end of trip.
After landing on an unfamiliar planet, a space explorer constructs a simple pendulum of length 45.0cm . The explorer finds that the pendulum completes 99.0 full swing cycles in a time of 145s What is the magnitude of the gravitational acceleration on..
A 2.3-kg cart is rolling along a frictionless, horizontal track towards a 1.6-kg cart that is held initially at rest. The carts are loaded with strong magnets that cause them to attract one another. Thus, the speed of each cart increases. At a certai..
q1. fuel aboard a rocket has a density of 2770 kgm3 and is ejected with a speed of 3270 ms. if the engine is to provide
A stone is thrown directly upward from a height of 30 ft with an initial velocity of 60 ft/sec. Determine the time at which the stone reaches its maximum height
A railroad locomotive with a mass of can exert a force of. At what rate can it accelerate when pulling a train
A slug of mass 0.100 kg moving straight upward at 50.0 m/s collides with a 0.400 kg wooden block that is 20.0 cm long on a side, What is the loss of kinetic energy immediately before/after the hit
A cannonball is shot (from ground level) with an initial horizontal velocity of 34.0 m/s and an initial vertical velocity of 25.0 m/s. find the maximum height the cannonball goes above the ground
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