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Assume the orbital of a lunched satellite around the earth is circular.
a) Show that there is only one speed that a satellite canhave if the satellite is to remain in an orbit with a fixed radius and it does not depend on the mass of the satellite.
b) What is the speed and heightH above the earth’s surfaceat which all synchronous satellite (regardless of mass) must be placed in orbit, assuming theearth is spherical?
c) If a synchronous satellite has a massm. How much additional kineticenergy is needed for it to escape from the earth?
An infinitely long, cylindrical, insulating shell of inner radius a and outer radius b has a uniform volume charge density ?. A line of uniform linear charge density ? is placed along the axis of the shell. Determine the electric field in the foll..
The nonconservative wind and lift forces take the balloon up, doing +9.70 104 J of work on the balloon in the process. Illustrate at what height above the surface of the earth does the balloon have a speed of 7.20 m/s?
1 a small steel ball bearing with a mass of 20.0 g is on a short compressed spring. when aimed vertically and suddenly
q1. when one person shouts at a football game sound loudness at the center of the field is 54 db. as all the people
Three stars, each with the mass and radius of our sun, form the equilateral triangle 5.0×109 {rm m} on a side. If all three are simultaneously released from rest, what are their speeds as they crash together in the center.
A small coil has a cross section of 4.5 cm2 and consists of 14 turns of wire. If the loop carries a current of 100 mA, what is the torque required to hold the loop
In what part of the EM spectrum would a photon of energy 9.5 x10-25J be found? What is its energy in electron volts?
A rod has a linear density ? = 3x, where x is the distance along the rod, What is the coordinate of the center of mass of the rod
a falling sky diver reaches terminal speed with her parachute closed. after the parachute is opened what parameters
A sinusoidal voltage ?v = (65 V) sin (130t) is applied to a series RLC circuit with L = 10 mH, C = 120 ?F, and R = 50 ?. What is the maximum current in the circuit
It has been suggested that we should use our power plants to generate energy in the off-hours (such as late at night) and store it for use during the day. What length of flywheel would you need in that case
A force N acts for 0.2 seconds on an object of mass 2.4 Kg whose initial velocity was m/s. What is the new velocity
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