Answer:
Collinear is when points are in the same straight line but coplanar is when points are all on the same plane.
Answer:
4.54
Explanation:
X+10X=50
11X=50
X=4.54#
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Energy is calculated as power*time, so give the wattage of 1200 W (equivalent to 1200 Joules/second) and time of 30 seconds, multiplying these gives 36000 J or 36 kJ of electrical energy.
If electrical charge or current is needed: Power = voltage * current, so given the power of 1200 watts and voltage of 120 V, current is 1200 W / 120 V = 10 Amperes. Charge is calculated by multiplying 10 A*30 s = 300 C.
