Physics, 20.11.2021 08:00 makaylamsikahema
five ramps lead from the ground to the second floor of a workshop, as sketched below. all five ramps have the same height; ramps b, c, d and e have the same length; ramp a is longer than the other four. you need to push a heavy cart up to the second floor and you may choose any one of the five ramps.
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five ramps lead from the ground to the second floor of a workshop, as sketched below. all five ramps...
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