Physics, 27.08.2019 20:10 kloekamakeeaina14
In trampoline competitions, a good jump is one that lasts about 1.8 seconds. (a) how high can an athlete who stays in the air 1.8 seconds go? (neglect air resistance.)
Answers: 2
Physics, 22.06.2019 13:30
The two stars in a certain binary star system move in circular orbits. the first star, alpha, has an orbital speed of 36 km/s. the second star, beta, has an orbital speed of 12 km/s. the orbital period is 137 d. a) what is the mass of the star alpha? b) what is the mass of the star beta?
Answers: 1
Physics, 22.06.2019 15:50
The space between two 15-in.-long concentric cylinders is filled with glycerin (viscosity = 8.5 × 10-3 lb·s/ft2). the inner cylinder has a radius of 1 in. and the gap width between cylinders is 0.1 in. determine (a) the torque and (b) the power required to rotate the inner cylinder at 180 rev/min. the outer cylinder is fixed. assume the velocity distribution in the gap to be linear.
Answers: 2
In trampoline competitions, a good jump is one that lasts about 1.8 seconds. (a) how high can an ath...
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