Someone please help me with my physics dealing with power?
If you had 64 cents to spend, how long could you play with a model train rated at 19.6 Watts? Assume the unit price for energy to be 0.08400 $/kWh.
Thanks
19.6 Watts x 1k/1000 x 0.084 $/kWh x H hours = $0.64
H = 389 hours
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