An AC power supply provides 150 V RMS to the primary winding/coil. If the primary has 65 turns and the secondary 780 turns find Vs. (Ans. 1.8 kV)
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- 6. If a vehicle takes 8 seconds to increase speed from 20 miles/hour to 100 miles / Hour, what is its acceleration? (Hint: time has to be in basic units.)You go through a loop in a roller coaster at constant speed. Your acceleration is: A. zero B. straight down C. toward the center D. straight up8. A stone is dropped from a 1000 foot cliff. How long does it take to hit the ground? (Use acceleration a(t) = -32 feet per second squared).
- You start out by driving 60 miles south in 4 hours and 18 minutes, and then you stop and park for a while. Finally you drive another 45 miles north in 2 hours and 33 minutes. The average velocity for your entire trip was 1.75 miles per hour to the south. How much time did you spend parked? 0 hours 51 minutes 8 hours 33 minutes 1 hours 42 minutes 3 hours 25 minutesTectonic plates are large segments of the Earth's crust that move slowly. Suppose that one such plate has an average speed of 3.21 cm/year. Hint a. What distance does it move in 1.71 s at this speed in nanometers? It moves a distance of nm. b. What is its speed in kilometers per million years? Its speed is km/million years.Do fast, just answer.