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help please?
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help please?
Questions (2)
A 1500 W room heater is used daily for 4 hours during winter. If the cost per kWh is $0.5, what is the monthly (30 days) expense
2 answers
1,195 views
Two positive charges of 6 �C are separated by a distance of 50 cm in air. What is the electric field strength at the midpoint
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Answers (2)
Ms. Sue, I need help with number 10. I have b for the answer and I think it is right but keep finding a bunch of different answers!
makes sense thanx!!
