1000 W
360 W
40 W
1800 W
Correct answer is B
power = \(\frac{force * distance}{time}\) → \(\frac{200 * 9}{5}\)
power = 36w
far apart and moving randomly
close together and vibrating.
close together and stationary
close together and moving randomly
Correct answer is B
No explanation has been provided for this answer.
180 m
140 m
120 m
240 m
Correct answer is C
No explanation has been provided for this answer.
$16.90
$84.48
$1690.00
$8.48
Correct answer is A
Power[p] = IV → 2 * 440 = 880Watt
Energy = p * t = 880 * 48hrs
= 42240 or 42.24kwh
But 1 kwh cost $0.40
∴ 42.24kwh costs 42.24 x 0.40
= 16.896 or $16.90
thinner insulation.
greater diameter
smaller diameter
thicker insulation
Correct answer is B
No explanation has been provided for this answer.
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