A transformer can only operate if _________. a. the power in ...

[evelyn o bentley]

A transformer can only operate if _________.
 a. the power in equals the power out
  b. the potential difference is large enough
  c. a.c. is used
  d. we step up the voltage

Question 2

A car travels along the perimeter of a vertical circle (radius = 0.25 km) at a constant speed of 30 m/s. What is the magnitude of the resultant force on the 60-kg driver of the car at the lowest point on this circular path?
 a. 0.37 kN
  b. 0.80 kN
  c. 0.22 kN
  d. 0.59 kN
  e. 0.45 kN

[mariahkathleeen]

Answer to Question 1

c

Answer to Question 2

C

[evelyn o bentley]

Thanks for the timely response, appreciate it

[kalskdjl1212]

Wow, this really help