Adog runs 27 m in 3 s. what is the dogs average speed.
a 9 m/s
b 24 m/s
c 30 m/s
d 81 m/s

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

The necleus of an atom is made up of what subatomic particles?

Argon, neon, and xenon are examples of