Awater pump with a power of 3.4 × 102 watts lifts water at the rate of 7.5 × 10-2 meters/second from a water tank. what is the force exerted by the pump on the water? a. 1.5 × 103 newtons b. 2.2 × 103 newtons c. 4.5 × 103 newtons d. 5.4 × 103 newtons

The answer is:

The correct option is:

C.

To calculate the force exerted by the pump, we must remember the formula to calculate power, also, we must remember that power means work done in a determined period of time.

We have that power can be calculated by the following equation:

So, we are given the following information:

Now, substituting and calculating we have:

Hence, the correct option is:

C.

Have a nice day!

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