A solar powered robot has a solar cell that outputs 100mA. The robot stores the charge from the solar cel?

Posted by on Monday, January 23, 2012 · 1 Comment 

A solar powered robot has a solar cell that outputs 100mA. The robot stores
the charge from the solar cell in a battery. The robot is designed to leap
forward 6 inches whenever the charge in the battery reaches 300C. The charge in
the battery is completely consumed after each leap. If the battery is initially
discharged, how long will it take for the robot to move 10ft if the solar cell
is properly illuminated? Give answer in hours

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Comments

One Response to “A solar powered robot has a solar cell that outputs 100mA. The robot stores the charge from the solar cel?”
  1. billrussell42 says:
    January 23, 2012 at 12:49 am

    100 mA = 0.1 amps = 0.1 C/s

    300C / 0.1 C/s = 3000 seconds per leap.

    to leap 10 feet, that is 20 leaps, which take 20 x 3000s = 60000 sec, or 100 minutes or 1.67 hour

    edit, mistake above, that is 60000 sec x 1min/60 sec = 1000 min
    1000 min x 1hr/60min = 16.7 hours

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