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Two stars in a binary system orbit around their center of mass. The centers of the two stars are 7.77x1011 m apart. The larger of the two stars has a mass of 3.63x1030 kg, and its center is 2.03x1011 m from the system's center of mass. What is the mass of the smaller star?
Bob holds a ball at a height of 2.5 m above the ground and tosses it vertically upward with an initial speed of 3.5m/s. How long does it take his ball to reach the ground
A nucleus of mass 238 u, initially at rest, emits an ? particle with a KE of 5.1MeV. What is the ke of the recoiling daughter nucleus
A rotating wheel requires 8.00 s to rotate 26.0 revolutions. evaluate the constant angular acceleration of the wheel
A copper cylinder and a brass cylinder are stacked end to end, as in the drawing. Find the amount by which the length of the stack decreases
Water moves through a constricted pipe in steady, ideal flow. At the lower point the pressure is 1.65 105 Pa and the pipe radius is 2.60 cm. Find the volume flow rate through the pipe
Two lenses, separated by a distance of 22.1 cm, are used in combination. The first lens has a focal length of +26.0 cm; the second has a focal length of -15.0 cm. What is the final image distances relative to the second lens
A positive charge, Q = 45 is placed on the x-axis at x = -1.9 cm. A positive charge which is twice as large is brought from infinity to a point x = +1.9 cm on the x-axis. what would be the speed of the 2*(45) charge at infinity
A 15m length of wire consists of 6.0m of copper followed by 9.0m of aluminum, both diameter 1.4mm. A voltage difference of 70mV is placed across the composite wire, What is the total resistance (sum) of the two wires
A 23-g bullet traveling 270m/s penetrates a 2.2kgblock of wood and emerges cleanly at 215m/s. how fast does it move after the bullet emerges
At what time does the bolt hit the top of the still-decending elevator.
A 65.0 kg human sprinter can accelerate from rest to 10 m/s in 2.90 s. all through the same interval, a 33 kg greyhound can accelerate from rest to 20 m/s. calculate (a) change in kinetic energy and (b) average power output for each.
The tallest volcano in the solar system is the 22km tall Martian volcano, Olympus Mons. An astronaut drops a ball off the rim of the crater and that the free fall acceleration of the ball remains constant throughout the ball's 22km fall at a value..
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