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The earth orbits the sun once a year (3.16X 107s) in a nearly circular orbit of radius 1.50X1011m. With respect to the sun, determine
(a) the angular speed of the earth.
(b) the tangential speed of the earth and,
(c) magnitude and direction of the earth's centripetal acceleration.
Bronco Brown is mowing his lawn. He applies a force F along the handle of the lawnmower as shown. Bronco moves the mower at constant velocity.
A visual binary system is at a distance of 5.0 pc. The distance between the two stars subtends an angle of 4.5 arcseconds. What is the mass of each of the stars
A sinusoidal wave traveling in the positive x-direction has a wavelength of 62.0 cm, a frequency of 58.0 Hz, and an amplitude of 74.0 cm. The part of the wave that is at the origin at t = 0 has a vertical displacement of 22.94 cm.
A 20-N block lifted straight upward by a hand applying a force of 20N has an initial kinetic energy of 16J. What is the block's final kinetic energy
A diffraction grating produces a first-order maximum at an angle of 25.0 degree. What is the angle of the second-order maximum
You may also assume that v_0 gg sqrt{2gL}, so that the change in hammer's gravitational potential energy, as it drives the nail into the block, is insignificant.
A 5.0g- lead bullet is fired into a fence post. The initial speed of the bullet is 240m/s, How much does the bullets temperature increase
An astronaut orbiting the Earth is preparing to dock with a Westar VI satellite, Determine the speed of the satellite
An alpha particle and beta^ {-} particle, each with kinetic energy 35 {rm keV}, are sent through a 1.10 {rm T} magnetic field. The particles move perpendicular to the field. Find the curvature radius for alpha particle's trajectory. Hint: The kine..
A disc has a radius of 2.20 cm and a mass of 27.0 grams and is initially at rest. Starting at time t=0, two forces are applied tangentially to the rim as indicated, calc the moment of inertia of the uniform disc
A cylindrical glass of water (H2O) has a radius of 4.38 cm and a height of 12.3 cm. The density of water is 1.00 g/cm3. How many moles of water molecules are contained in the glass
Two students, Nora and Allison, are both the same age when Allison hops aboard a flying saucer and blasts off to achieve a cruising speed of 0.830c for 25.5 years round trip
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