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Suppose you have a 1000 kg weather satellite that you would like to put into circular orbit 300 km above earth. What speed, period, and radial acceleration must it have? How much work is required to place the satellite into orbit?
Many cheap electric stoves have three settings on their switch (besides OFF) labelled LOW MED and HIGH. What is the total element resistance in each case
In a Compton scattering experiment, an x-ray photon scatters through an angle of 17.4° from a free electron that is initially at rest. Calculate the wavelength of the incident photon
what is the magnifying power of an astronomical telescope using a reflecting mirror whose radius of curvature is 4.63m and an eyepiece whose focal length is 3.16cm
A train is traveling up a 5.0 degrees incline at a speed of 2.65 m/s when the last car breaks free and begins to coast without friction. How far did the last car travel before momentarily coming to rest
The two stick together and move off with a speed of 4.0 m/s. Evaluate what is the mass of the second car?
A 13 cm long animal tendon was found to stretch 3.6 mm by a force of 13.2 N. Calculate the elastic modulus of this tendon
Calculate the electric flux through the circle when its face is perpendicular to the field lines and then when at 45 degrees to the field lines
A satellite is in a circular orbit around the earth. The period of the satellite is 22 hr.
q1. at one instant a bicyclist is 40.0 m due east of a parks flagpole going due south with a speed of 10.0 ms. then
An RC circuit with C = 38.8 µF and R = 6.5 has a 27 V source in it. With the capacitor initially uncharged, an open switch in the circuit is closed. What is the voltage across the capacitor at that time
The density of ice is 917 kg/m3. What fraction of the volume of a piece of ice will be above the water when it is floating in fresh water, Fraction of the volume above the water
A student is reading a lecture written on a blackboard. The lenses in her eyes have a refractive power of 56.11 diopters, and the lens-to-retina distance is 1.791 cm. (a) How far is the blackboard from her eyes? (b) If the writing on the blackboard i..
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