A car travelling along a highway must uniformly reduce its velocity to 15 m/s in 3.5 s. The displacement during that time is 70m. What is the car's initial velocity? m/s (answer in 2 sig figs) What is the car's average acceleration? m/s2 (answer in 2 sig figs)

Which of the following are properties of mechanical waves? check all that apply ⭕️ particles of the medium move back and fourth, but do not move with the wave. ⭕️ the particles of the medium always move parallel to the wave motion. ⭕️ wave motion begins with a disturbance in the medium. ⭕️ waves transport energy from a source outward, away from the source.

Is the time in tennessee the same as florida

What happens to an isotope during radioactive decay?