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Two stars in a binary system orbit around their center of mass. The centers of the two stars are 7.18x1011 meter apart. The larger of the two stars has a mass of 3.15x1030 kilogram, and its center is 2.50x1011 meter from the system center of mass. Find what is the mass of the smaller star?
a charge of -3.35 nc and a charge of -6.40 nc are separated by a distance of 80.0 cm. find the position at which a
A series ac circuit contains a 190 ohms resistor, a 14.0 mH inductor, a 4.50uF capacitor, and an ac power source of voltage amplitude 45.0 V operating at an angular frequency of 360 rad/s
A 1.69 kg mass stretches a vertical spring 0.317 m. If the spring is stretched anadditional 0.135 m and released, how longdoes it take to reach the (new) equilibrium position again?
Suppose 28.5 kg of 87.5°C water is placed in contact with 28.5 kg of 11°C water. What is the change in heat (in J) of the hot water
A glass window pane is exactly 20 cm by 36 cm at 10oC. By how much has its area increased as it temperature is 33oC, assuming that it can expand freely? Take the coefficient of thermal expansion for the glass to be exactly 9 x 10-6/Co.
You are standing on the ground at the origin of a coordinate system. An airplane flies over you with constant velocity parallel to the x axis and at a constant height of 9.00 103 m. At t = 0, the airplane is directly above you so that the vector l..
An object is 12.0 cm in front of a convex mirror. When the convex mirror is replaced with a flat mirror, What is the focal length of the convex mirror
It is possible to make a usable thermometer out of water. Suppose you have a 500 mL glass bottle which is filled with water at 12 C. how far up the straw does the water level move
q1. a 35.0-g bullet moving at 475 ms strikes a 3.2-kg bag of flour that is on ice at rest. the bullet passes through
A wheel of mass m = 16kg and radius r = 0:5m is connected to a motor that causes it to attain rotational speed of w = 20rads^-1 in 10s, What is the average torque applied to the wheel by the motor
The two masses in the Atwood's machine shown in the figure have an initial speed of = 0.25 , and is moving upward. How high does rise above its initial position
A 11.0kg box slides 4.0m down a frictionless30 degree incline, then collides with a spring whose springconstant is 180N/m. What is the maximum compression of the spring inmeters?
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