Determine the amount of work is required for a motorbike from the rest and reach a distance of 650 m with the speed is 12.5 m/s. The power of motorbike is 1700 watts

What is the length x of the side of the triangle below? (hint: use the cosine function)

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

J. j. thomson’s experiment disproved the theory that an atom