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An artificial satellite circling the Earth completes each orbit in 142 minutes. (The radius of the Earth is 6.38 106 m. The mass of the Earth is 5.98 1024 kg.)
A) Find the altitude of the satellite
B) What is the value of g at the location of the satellite?
A 48\Omega resistor is connected across a battery, and a 29mA current flows. What is the battery's emf? What is the internal resistance
In a ballistics test, a 25.00 g bullet travelling horizontally at 1300m/s goes through a 20.00 cm thick 450 kg stationary target and emerges with a speed of 800m/s. The target is free to slide on a smooth horizontal surface. How long is the bullet..
In 13.6 s, 220 bullets strike and embed themselves in a wall. What is the average change in momentum per second for the bullets
A reflecting telescope has a main mirror with fM = 570 mm. If an eyepiece with a magnification of 45 is used, what is the total magnification of the telescope
What is the radius of a bobsled turn banked at 75.0° and taken at 30.0 m/s, assuming it is ideally banked
A 5.000 kg mass starts from rest and slides down on an inclined plane that is 5 degrees above the horizontal. If the body starts from rest and takes 1.25 s to travel a distance along the inclined plane, what is the final velocity of the body
A hydrogen atom is in its first excited state (n = 2). Using the Bohr theory of the atom, calculate (a) the radius of the orbit, (b) the linear momentum of the electron.
A 270 pF capacitor is charged to a potential difference of 60 V, and the charging battery is disconnected. Calculate the dielectric constant of the inserted material
Does current through a power supply increase when parallel bulbs are added? For example, if you have a circuit with one bulb and measure the current through the bulb to be 100 mA, what is the current through the power source when you add another b..
A charged paint is spread in a very thin uniform layer over the surface of a plastic sphere of diameter 18.0 cm, Find the electric field just outside the paint layer
Treat a Boron atom as 5 protons at the origin, 2 electrons spread uniformly on a shell (radius 13.2[pm] centered on the origin) , 2 more electrons spread on a shell (radius 105.8[pm] centered on the origin), and its outer electron at x= 211.6 pm.
Starting from rest, a 4.10-kg block slides 2.6 m down a rough 30.0° incline. The coefficient of kinetic friction between the block and the incline is ?k = 0.436, Determine the work done by normal force
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