Chemistry, 08.02.2021 23:50 imanim3851
Denver constructs an electric bell as shown in the diagram below.
He then turns the switch on to test the bell. Denver notices that the hammer moves a bit toward the gong, but does not quite reach the gong. Which of the following should Denver do to best increase the chances of making the bell ring?
A.
increase the length of the arm supporting the hammer and use a heavier hammer
B.
increase the current produced by the battery and the number of coils around the electromagnet
C.
decrease the size of the gong and use a larger hammer
D.
decrease the size of the gong and the number of coils around the electromagnet
Answers: 2
Chemistry, 22.06.2019 03:00
Which of these would be caused by a chemical change? a) the formation of lava. b) sedimantary rock layering over time. c) metamorphic rock forming from igneous. d) metamorphic rock eroding to form sedimentary rock.
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Chemistry, 22.06.2019 22:30
Amedication is given at a dosage of 3.000 mg of medication per kg of body weight. if 0.1500 g of medication is given, then what was the patient's weight in pounds (lbs)? there are 453.59g in 1 lb.
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Denver constructs an electric bell as shown in the diagram below.
He then turns the switch on to te...
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