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3. From a dam, water is pouring down at }150kg/s , on the blades of a turbine. If a ball } dropped from the same dam takes }2\sqrt5s to hit the } turbine, then the power delivered to the turbine is }{ approximately equal to (Take }g=10m/s^2)(1) 150k} (2) }15W (3) }125kW (4) }15.5kW |
| Answer» 3. From a dam, water is pouring down at }150kg/s , on the blades of a turbine. If a ball } dropped from the same dam takes }2\sqrt5s to hit the } turbine, then the power delivered to the turbine is }{ approximately equal to (Take }g=10m/s^2)(1) 150k} (2) }15W (3) }125kW (4) }15.5kW | |