The position of a particle is given x=3-2t+3t²m what is its instantaneous velocity at t=3s at what time is the particle at rest

The material that keeps its new shape after it is stretched is called?

Select the correct answer. what does the process of natural selection involve?

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