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A boat is traveling along a circular path having a radius of 20 m. Determine the magnitude of the boats acceleration if at a given instant the boats speed is v = 5 m/s and the rate of increase in speed is v = 2 m/s2.
Ans) a2=(0.20)2+22
a2=0.04+4
a=2.009
Explain the combined resistance of three resistors connected in series with resistance of 20 ohm, 30 ohm and 40 ohm? (Solve problems with resistors in sequence) 20Ω
Sol: The incident angle is 45 because the angle of reflection and angle of incident is equal.
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retardation?
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answer=√((52/20)2+22)
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