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An Earth satellite moves in a circular orbit 646 km above Earth's surface with a period of 97.44 min. What are (a) the speed and (b) the magnitude of the centripetal acceleration of the satellite?
Adisa pulls a 40-N crate up a 5.0-m long inclined plane at a constant velocity. If the plane is inclined at an angle of 37° to the horizontal and there is a constant force of friction of 10 N between the crate and the surface, what is the net change ..
Two boxes are connected by a cord running over a pulley, Calculate the acceleration of the system
consider a neutron star with a mass of 1.5 times that of our sun and a radius of 15 km. consider this to be all closely
You want a screen to be illuminated with an intensity of 440 mW/m2. The screen is 12.97 m away from the light source, What is the rms value of the electric field at the screen
in a youngs double-slit experiment the separation distance y between the second-order bright fringe and the central
A diffraction pattern forms when light passes through a single slit. The wavelength of the light is 607 nm. Determine the angle that locates the first dark fringe when the width of the slit is (a) 4.1 x 10-4 m and (b) 4.1 x 10-6 m.
A midle C note (262 Hz) is sounded on a piano to help tune a violin string. When the string is sounded, nine beats are heard in 3.0s. How much is the violin string off tune?
A ball with a mass of .100 kg is on a spring that is 10.0 m above the ground with a spring constant of 543 N/m and has been compressed .125 m. Determine the initial kinetic energy of the ball
A wire coil is initially oriented so that its plane is perpendicular to a magnetic field of 0.68 T pointing to the left. what is the diameter of the coil
A creamy salad dressing is made up of heavy cream, corn oil, and vinegar (as well as a pinch of dry mustard, salt and pepper). What is the order of the layers from top to bottom
A sonic depth gauge is placed 5m above the ground. Anultrasound pulse sent downward reflects off snow depth depends onthe device using the correct air temperature is 0C. How far is the surface of the snow from the device
A pinecone falls straight down from a pine tree growing on a 20 degree slope. What are the components of the pinecone's impact velocity parallel and perpendicular to the ground
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