K = ∆F / ∆s = 4N / 0.08m = 50N/m
An object with an initial speed of 4.0 m/s accelerates uniformly at 2.0 m/s^2
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Taking notes,because you can read back on what you learned
It should not be stored in a place where it is open to the air, as it can obtain diseases, bacteria and viruses just hanging out waiting for a host.