Carter pushes a bag full of basketball jerseys across the gym floor. the he pushes with a constant force of 21 newtons. if he pushes the bag 9 meters in 3 seconds, how much power does he use? (hint: 1 watt = 1 .) a. 3 watts b. 7 watts c. 27 watts d. 63 watts e. 189 watts

Avoltage source vs = 10 v is in series with a resistor of 10 kohm. if the source transformation theorem is applied, what will the value of the current source be in ma ?

The force acting on a beam was measured under the same operating conditions and a sample of 5 data points was collected. this process was repeated by 3 observers. the pooled standard deviations of these 3 data sets was 1.21. determine the true mean force using all pooled data (with a 95% probability). the result should look like this: true mean = mean +/- margin of error

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