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An earth satellite moves in a circular orbit with an orbital speed of 6100 m/s .
a. Find the time of one revolution of the satellite.
b. Find the radial acceleration of the satellite in its orbit.
Three point charges of 2.0 ? C, 4.0 ? C, and 6.0 ? C form an equilateral triangle with each side 2.9cm Find the electric potential energy of this distribution
An electron starts from rest 75.5 cm from a fixed point charge with Q = -0.150 µC. How fast will the electron be moving when it is too far away.
A 4 kg block is acted upon by three horizontal forces. 10n (to left) 5n(short arrow to right) 25n to right. what is the horizontal acceleration of the block
in a simplified roller bearing, the inner cylinder has a radius of 1.0 cm and is stationary. What is the angular speed of the small cylinders
Heather and Jerry are standing on a bridge 56 above a river. Heather throws a rock straight down with a speed of 15. Jerry, at accurately the same instant of time, throws a rock straight up with the equal speed. Overlook air resistance.
A goldfish is swimming inside a spherical bowl of water having an index of refraction n = 1.333. find the apparent distance of the goldfish from the wall according to an observer outside the bowl
A device used in radiation therapy for cancer contains 0.83 g of cobalt-60 (59.933 819 u). The half-life of this isotope is 5.27 yr
A velodrome track is banked so that a bicycle traveling at 69.9 km/h will have no tendency to slip to either side when traveling on the path that has a radius of curvature of 54.0 m
A rectangular loop consists of N = 100 closely wrapped turns and dimensions a = 0.4m and b= 0.3m. What is the expected direction of rotation of the loop
Two soccer players start from rest, 43 m apart. They run directly toward each other, both players accelerating. How much time passes before the players collide
Classically, the electron cannot pass through the barrier because E
A parallel beam of light with an energy flux S of 10 W/cm2 falls for 1 hour on a perfectly reflecting plane mirror of 1.0 cm2 area. what force acts on the mirror
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