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When light illuminates a grating with 4900 lines per centimeter, its second order maximum is at 47.8o. Evaluate what is the wavelength of the light?
An oscillating block-spring system has a mechanical energy of 1J, amplitude of 10 cm, and a maximum speed of 1.20 m/s. Discover (a) the spring constant, (b) the mass of the block, and (c) the frequency of oscillation.
A ceiling fan with 84cm diameter blades is turning at 61rpm. Assume the fan coasts to a stop 25 after being turned off. What is the speed of tip of a blade 10 s after the fan is turned off.
A 250 kg flatcar 25 m long is moving with a speed of 3.0 m/s along horizontal frictionless rails. how far has the flatcar moved
A 181.99 kg car that stopped at a traffic light is struck from the rear by a 419.72 kg car. find the velocity of the entangled cars after the collision
A playground carousel is free to rotate about its center on frictionless bearings, and air resistance is negligible. What is the person's mass
question in a magnetic field with b0.50 t for what path radius will an proton circulate at 0.10 to the speed of light?
A dentist wants a small mirror that, when 2.00 cm from a tooth, will produce an upright image that is 5 times larger. What type of mirror should be used and what is its radius of curvature?
Light of wavelength 489 nm incident on a pair of slits produces an interference pattern on a distant screen in which the separation between adjacent bright fringes at the center of the pattern is 0.509 cm. What is the wavelength of the second sourc..
A 2.00 kg stone is tied to a 0.500-m length of string and swung around a circle at a constant angular velocity of 12.0 rad/s. What is the net torque on the stone regarding the center of the circle?
A pilot releases a package from a plane flying horizontally at a constant speed. When the package reaches the ground below, what is the horizontal location of the plane
Eratosthenes gauged the circumference of the Earth by noting that the Sun is at an angle of 7° south of the vertical in Alexandria at the same time of day and year that it is directly overhead in Syene, 400 km directly south of Alexandria. Discover t..
A Styrofoam bucket of negligible mass contains 1.75 of water and 0.450 of ice. More ice, from a refrigerator at -14.0, is added to the mixture in the bucket, what mass of ice was added
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