sindy35111
31.03.2020 •
Physics
PLS HELP ME If a wagon is accelerating at a rate of 2 m/s2 and the force acting on it is 20 N, what is the mass of the wagon? (Hint: Use one of Newton's laws of motion to solve this.) Show your work.
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Ответ:
0.4 A
Explanation:
From the question,
Electric power = Voltage×current
P = VI Equation 1
Make I the subject of the equation
I = P/V Equation 2
Given: P = 96 J/s, V = 230 V.
Substitute into equation 2
I = 96/230
I = 0.4 A.
Hence the current is 0.4 A