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An artificial satellite is in a circular orbit around a planet of radius r = 4.45 × 103 km at a distance d = 600.0 km from the planet's surface. The period of revolution of the satellite around the planet is T = 2.65 hours. What is the average density of the planet?
A 10-kg bullet is fired horizontally into a 300-g wooden block initially at res on a horizontal surface and become embedded in it. The coefficient of friction between block and surface is (0.50).
A model train moves along a horizontal circular track with a radius of 0.5 m. Starting from rest, What is the angular acceleration (in rad/s2) of the train
A bullet of mass 0.2 kilogram moving horizontally at 450 m/s hits a 3 kilogram block that is at rest on a frictionless table. Find the speed of the block and momentum after impact
calculate the buoyant force due to the surrounding air on a man weighing 800n . assume his average density is the same
In a Young's double-slit experiment, 633-nm laser light illuminates two slits separated by a distance of 3.64 x 10-5 m. Find the angle at which the first order maximum occurs.
A juggler throws a ball with an initial horizontal velocity of+1.1 m/s and an initial verticle velocity of +5.7 m/s. What is itsacceleration at the top of its flight? Make sure to consider thesign when responding. Consider the upward direction asposi..
An ideal gas expands at a constant total pressure of 5.4 atm from 405 mLto 668 mL. Calculate the total heat flow into the gas
the binding energy for chromium metal is 4.37 ev. what wavelength of radiation must be used to eject electrons with a
A river 108.0 m wide flows toward the south at 35.6 m/min. A girl on the west bank wishes to reach the east bank in the least possible time. How long does it take her to cross the river
a research submarine has 20-cm-diameter window at 8.0 cm thick. the window is supposed to withstand a force of 1.0 x
question1a 1200-kg automobile travels at a speed of 12 ms.nbsp a what is it the kinetic energy? b what is work that
You are asked to construct a capacitor having a capacitance near 1 nF and a breakdown potential in excess of 10,000 V. What is the breakdown potential of this capacitor
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