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September 19, 2014

September 19, 2014

Posted by **NEEDS HELP!** on Wednesday, September 12, 2012 at 1:32am.

17 km tall Martian volcano, Olympus Mons.

An astronaut drops a ball oﬀ the rim of the

crater and that the free fall acceleration of the

ball remains constant throughout the ball’s

17 km fall at a value of 3.3 m/s

2

. (We assume

that the crater is as deep as the volcano is tall,

which is not usually the case in nature.)

Find the time for the ball to reach the crater

ﬂoor.

Answer in units of s

002 (part 2 of 2) 10.0 points

Find the magnitude of the velocity with which

the ball hits the crater ﬂoor.

Answer in units of m/s

- physics -
**Scott**, Wednesday, September 12, 2012 at 5:37pmH = .5 g t^2

1.7x10^4 = .5 * 3.3 * t^2

1.03x10^4 = t^2

2) multiply the fall time (t) by the acceleration (3.3 m/s^2) to find the final velocity

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