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I have modified it slightly but I love this activity. Thank you
from Smithe73, 05 February 2012
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(report comment)
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5 out of 5
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A really good, hands-on approach for teaching a dry topic. Thank you!
from hammyr, 31 October 2011
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5 out of 5
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A good activity but the calculation for the extension task is wrong. As they both drop from the same height and have the same mass their potential energies and kinetic energies will be identical regardless of the motor used. The 2 motors will have different efficiencies which will account for the different amounts of electrical energy used.
from RobTalbot28, 05 September 2011
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(report comment)
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4 out of 5
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Nice design activity for students linking to relevant physics, including a variety of extension questions to provide stretch and challenge.
from Docras, 10 July 2011. Member of the TES Panel.
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(report comment)
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5 out of 5
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