A manufacturer has been asked to produce 100 customized metal discs with a particular pattern engraved on them. Which production
2 answers:
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Answer:
The rate at which this vacuum cleaner supply energy to the room when running is 285.71 Watts.
Explanation:
power efficiency of electric motor = 70% = 0.70
The power output of the vacuum cleaner == 200 W
The power output of the vacuum cleaner =
The rate at which this vacuum cleaner supply energy to the room when running is 285.71 Watts.
Complete Question
The complete question is shown on the first uploaded image
Answer:
a) The elongation of the composite bar is given as δ = 0.072 in
b) The axial stress induced in each material is = 5485.7 psi
Explanation:
The explanation to the answer above is shown on the second uploaded image
Answer:
a.) -147V
b.) -120V
c.) 51V
Explanation:
a.) Equation for potential difference is the integral of the electrical field from a to b for the voltage V_ba = V(b)-V(a).
b.) The problem becomes easier to solve if you draw out the circuit. Since potential at Q is 0, then Q is at ground. So voltage across V_MQ is the same as potential at V_M.
c.) Same process as part b. Draw out the circuit and you'll see that the potential a point V_N is the same as the voltage across V_NP added with the 2V from the other box.
Honestly, these things take practice to get used to. It's really hard to explain this.
Answer:
Detailed solution is given in attached image
