Vesta, a minor planet in the asteriod belt between mars and jupiter, has a mean radius of 525 km and mass of 2.59 x 10^20 kg. the dawn spacecraft (m = 1240 kg) orbited vesta in 2011 & 2012.
find the local acceleration due to gravity at the mean surface of vesta. what is the fractional change if instead you are at the top of the highest point on the surface, an additional 22 km from the center of gravity. assume all of vesta's mass is concentrated at its center of gravity.
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Physics, 21.06.2019 22:20, lunamoon1
The place you get your hair cut has two nearly parallel mirrors 6.00 m apart. as you sit in the chair, your head is 2.00 m from the nearer mirror. looking toward this mirror, you first see your face and then, farther away, the back of your head. (the mirrors need to be slightly nonparallel for you to be able to see the back of your head, but you can treat them as parallel in this problem.) how far away does the back of your head appear to be?
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Physics, 22.06.2019 09:00, KillerSteamcar
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