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A planet orbits a star once every 3.44 multiply.gif 107 s in a nearly circular orbit of radius 1.46 multiply.gif 1011 m.
(a) With respect to the star, determine the angular speed of the planet.
rad/s
(b) With respect to the star, determine the tangential speed of the planet.
m/s
(c) With respect to the star, determine the magnitude and direction of the planet's centripetal acceleration.
magnitude m/s2
Give a definition of "laissez faire" economics. (An economic doctrine that opposes government regulation of or interference in commerce.) Explain why do you think this was the dominant political and legal view in the 1800s and early 1900s?
A student from Sidney, Australia compares the distance he obtained from the 1-st spark mark to the 20-th spark mark, What difference in the results was found
Three point charges, A = 1.80 µC, B = 7.50 µC, and C = -3.80 µC, are located at the corners of an equilateral triangle, Find the magnitude (N/C) at point A, and the direction in degrees counterclockwise from the positive x-axis
A Volleyball is spiked so that it has an initial velocity of 15 m/s directed downward at an angle of 55 degrees below the horizontal. Find the horizontal component of the ball’s velocity when the opposing player fields the ball?
Assuming that the pass was thrown at the optimal 45 ^circ angle, evaluate what was the speed at which the ball left the quarterback's hand?
A certain transformer has 500 turns on the primary. If 10 volts are applied to the primary, what was the current in the primary
A coin is located 20.0 cm to the left of a converging lens (f = 13.0 cm). A second, identical lens is placed to the right of the first lens, Find the separation between the lenses.
What is the highest speed with which a 1550 car can round a turn of radius 76 on a flat road if the coefficient of static friction between tires and road is 0.50.
Find an expression for the loop's velocity as a function of time as it enters the magnetic field. You can ignore gravity, and you can assume that the back edge of the loop has not entered the field
A ring of wire is dipped into a soap solution and it is held so that the soap film on the ring is vertical. compute the thickness of the film
A 13.00 g bullet travelling 236 m/s penetrates a 2 kg block of wood and emerges cleanly at 179 m/s. If the block is stationary on a frictionless surface as hit, how fast does it move after the bullet emerges.
A coin rests 14.60 cm from the center of turntable. The coefficient of static friction between the coin and turntable surface is 0.350. The turntable starts from rest at t = 0 and rotates with the constant angular acceleration of 0.8400 rad/s2.
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