Physics, 17.09.2019 03:10 natashareeves16
A1-lb block and a 100-lb block are placed side by side at the top of a frictionless hill. each is given a very light tap to begin their race to the bottom of the hill. in the absence of air resistance, what can you conclude about the outcome of the race?
a)the 1-lb block wins the race.
b)the 100-lb block wins the race.
c)the two blocks end in a tie.
d)there’s not enough information to determine which block wins the race
Answers: 3
Physics, 21.06.2019 20:20, vero5047
Astronomers discover an exoplanet (a planet of a star other than the sun) that has an orbital period of 3.87 earth years in its circular orbit around its sun, which is a star with a measured mass of 3.59 x 1030 kg. find the radius of the exoplanet's orbit.
Answers: 3
Physics, 21.06.2019 20:30, blessingjessica
Air enters a compressor operating at steady state at 1.05 bar, 300 k, with a volumetric flow rate of 93 m3/min and exits at 12 bar, 400 k. heat transfer occurs at a rate of 15.5 kw from the compressor to its surroundings. assuming the ideal gas model for air neglecting kinetic potential energy effects, determine the power in put in kw.
Answers: 2
A1-lb block and a 100-lb block are placed side by side at the top of a frictionless hill. each is gi...
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