Galileo's telescope was not of high quality by modern standards. he was able to see the moons of jupiter, but he never reported seeing features on mars. use the small-angle formula to find the maximum angular diameter of mars when mars is closest to earth. the diameter of mars is 6800 km. when mars is at its closest point it is 55.7 million km away from earth. how does that compare with the maximum diameter of jupiter? give the answer to three significant figures and give your answer in arc seconds.

One splits the atoms and molecules  the other combines them

W= fd
where f is an applied force and d is the distance over which it is applied. when a parachuting skydiver is at constant velocity, he is experiencing "terminal velocity", the point at which his acceleration down is canceled out by air resistance. that means that the resisting force of the air is equal to his weight, but in the opposite direction. with this, we can solve for the work done by the force.
w = fd
w = (92.0)(9.81 m/s^2) (325)
w= 2.93 x 10^5 j
the value for work in this case is positive because it is pushing up on the skydiver, who has a downward force of gravity.
therefore the answer is 2.93 x 10^5 j

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B. that is the answer