Khanacademy. org
ashboard | khan academy
(14) physics science
quiz 2
you might need:
iii
calculator
arunner is running to the left with a speed of 8.0 — when she speeds up with constant acceleration for
2.0 s to reach the finish line. the runner's final speed is 9.9 to the left.
oc
m
what was the runner's acceleration as she sped up to the finish line?

Atoaster oven has a resistive heating element. the average rate at which it dissipates energy as thermal energy is 1.00 \(\rm kw\). in the united states, emf amplitude in household circuits is \(\mathcal e_{\max}\) = 170 \({\rm \; v}\) and the \(\rm ac\) oscillation rate is 60 \(\rm hz\). part a what is the root-mean-square current through the heating element?

Two point charges are separated by a certain distance. how does the strength of the electric field produced by the first charge

How does the motion of an airplane compare to the motion of a rocket ?