Scientists must evaluate their work in order to?
a. prove their hypothesis is correct
b. ensure that their results are accurate and reliable
c. communicate their experiment results

In which of the following cases is work being done on an object? question 2 options: pushing against a locked door carrying a box down a corridor pulling a trailer up a hill suspending a heavy weight with a strong

Acar of mass 800kg is moving at a speed of 2.2m/s.

Imagine that the rightward current flows in the rod for a short time. as a result, what will the net charge on the right and left ends of the rod become? left end negative and right end positive left end negative and right end negative left end negative and right end nearly neutral left end nearly neutral and right end positive both ends nearly neutral