Mark is retrieving the Pathfinder space
probe in hopes of fixing it’s radio so that he can communicate with earth. He
is at Pathfinder’s landing site, but he needs to get the probe onto the roof of
his rover. He has removed several parts of the probe that he won’t need, but it
still has a mass of 200 kg. How much would that weigh on Earth? How much would
that weigh on Mars?
He has decided that the best way to get
it up to the top of the rover is to use rocks to build a ramp. After some small
scale experiments he has determined that the best angle for the ramp will be 30
degrees. If the rover is 2.5m tall, how long will the base of the ramp be?
If the ramp is 1m wide, and the rocks in
the area have a density of 3 g/cm^3, what is the upper limit of the mass of
rocks must he move to create his ramp? How much does this weigh on Mars?
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