Physics, 19.11.2019 23:31 merrickrittany
What do scientists study to figure out how long it takes the sun to make one rotation on its axis?
a. flares
b. auroras
c. sunspots
d. prominences
Answers: 1
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Determine the amount of work done when a crane lifts a 100-n block form 2m above the ground to 6m above the ground
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Using the work energy theorem. what is the velocity of a 850kg car after starting at rest when 13,000j of work is done to it.
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If it takes a planet 2.8 x 10^8 s to orbit a star with a mass of 6.2 x 10^30 kg what is the average distance between the planet and the star
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Water is siphoned from a large tank and discharges into the atmosphere through a 50-mm diameter tube. the end of the tube is b = 2.1 m below the tank bottom which is a = 7.4 m deep, and viscous effects are negligible. determine the maximum height h over which the water can be siphoned without cavitation occurring. atmospheric pressure is 101.4 kpa, and the water vapor pressure is 1.79 kpa (absolute)
Answers: 3
What do scientists study to figure out how long it takes the sun to make one rotation on its axis?...
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