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5. | If the water falls from a dam into a turbine wheel 19.6m below, then the velocity of water at the turbine is? (g=9.8m/s)? | |
A. | 9.8m/s | |
B. | 19.6m/s | |
C. | 39.2m/s | |
D. | 98m/s | |
Answer: Option B | |
Explanation: | |
Loss in potential energy = Gain in kinetic energy |
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