W = Fd = 4(2100) = 8400 J
So the answer is A) 8400 J
I was just rewriting my notes on the work lesson I did in class today, so I saw this question at the perfect time!! :)
Hope it helps!! :)
Tooth fillings are often made of gold or porcelain because these materials are nonreactive.
b. nonreactive.
Answer:It increases confidence because the more times you conduct the same experiment over and over should either prove your hypothesis right and wrong and eliminate any random occurrences that might affect your results.
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Explanation:
Answer:d
Explanation: oil would form droplets but only tiny ones because it’s surface tension is lower than that of water
B. Hand-eye Coordination because it can be used in multiple activities