As a roller coaster car starts down a slope, its speed is 4
m/s. But 3 seconds later, at
the bottom, its speed is 22
m/s. What is its average
acceleration?
What is the average acceleration

d would be your answer

delegated (sometimes called enumerated or expressed) powers are specifically granted to the federal government in article i, section 8 of the constitution. this includes the power to coin money, to regulate commerce, to declare war, to raise and maintain armed forces, and to establish a post office.