Answer:
It was most likely static electricity
Explanation:
Static electricity comes down to the interactive force between electrical charges.
So because your computer charger has electricity the foil is a conductor so the sparks were most likely static electricity
Answer:
The answer is 220
Explanation:
Volts = current × resistance
Current = 11
Resistance = 20
Volts = 11 × 20
= 220
R=U/I so
U=RxI
U= 10 x 42
U= 420 volts
<span>there is no horizontal displacement if he went straight up
straight up means vertical, so his vertical displacment is 20 m</span>