What must be the initial velocity of a rocket that accelerates for 10.2 seconds at 5.31 m/s2 and covers 3912 m? A. 276 m
B. 356 m/s
C. 107 m/s
D. 384 m/s

B

Explanation: 3912=10.2v +1/2(5.31)(10.2)^2 -> v≈ 356.45 (B)

a electromagnetic waves

molecules are free to separate from each other and will take on the shape of the container. molecules move completely at random and high speeds. they vibrate in a fixed position and do not move around much. molecules expand to the edge of their container.