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Show formula, calculations, and units.
Question 1: The primary coil of a transformer contains 100 turns.. The primary coil is connected to an alternative voltage of 2.5 volts. The voltage across the secondary coil is measured 0.2 volts?
How may turns does the secondary contain?
Question 2: If the primary current is 2.0 amperes, what is the secondary current?
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A horse races once around a circular track in a time of 118s, with a speed of 17 m/s. What is the radius of the track? How do you go about solving this.
A projectile is launched at 15m/s at an angle of 30 degrees above the horizontal from the edge of a cliff. If the projectile lands 10m horizontally from the base of the cliff what is the height of the cliff?
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