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A 57 kg astronaut (including spacesuit and equipment), is floating at rest a distance of 9 m from the spaceship when she runs out of oxygen and fuel to power her back to the spaceship. She removes her oxygen tank (3.0 kg) and flings it away from the ship at a speed of 15 m/s relative to the ship.
At what speed relative to the ship does she recoil toward the spaceship? Express your answer to two significant figures and include the appropriate units.I tried doing (3.0 kg * 15 m/s)/(57 kg) = v_f, but it's wrong.
0.550-kg glider, attached to the end of an ideal spring with force constant k = 440 N/m, undergoes SHM with an amplitude 0.040 m. Compute the maximum speed of the glider
A sea-going prirate's telescope expands to a full length of 29 cm and has an objective lens with a focal length of 26.9 cm. What is the focal length of the eye piece
a car travels at an average speed of 30 m/s for 5 km. if thecar traveled at 35 m/s for the first 3 km at what speed did it travel the last 2km
The "hang time" of a punt is measured to be 4.30. If the ball was kicked at an angle of 68.0 above the horizontal and was caught at the same level from which it was kicked, what was its initial speed?
A light stick with two masses attached to it is spinning about its center at 5 revolutions per minute. The length of the stick is 2.5 meters and the masses are 1.5 kg each.
a cylindrical shell of radius 9 cm and length 297 cm has its charge density uniformly distributed on its surface. the
You are going to go across the Mississippi river from East to West bank by rowing your kayak. What direction should you aim at in order to go across the river
Design a parity generator for a 3 bit signal bus That is. given three input lines. generate a fourth signal such that an odd number of the four lines is always on.
question1a solid piece of copper and a solid piece of aluminium have the same mass. if the density of copper is 8.9
Compute the impact speed of a body released from rest at an altitude h = 525 mi. (a) Assume a constant gravitational acceleration g0 = 32.2 ft/sec2 and (b) account for the variation of g with altitude.
A way to produce a fairly uniform magnetic field over a large accessible region is with a pair of identical circular loops of wire those shares the same axis and are physically parallel to each other, but whose centers are a certain distance apart.
How could you determine the horizontal component of the magnetic field the tangent galvanometer, making only one measurement and using no trigonometry?
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