The distances(in ) above the ground for a projectile fired vertically upward with a velocity of 4[]/ as a function of timet(in) is given by=4[]4.9^2

.Your instructor will provide you witha.Simply replace the letter with the corresponding digit. Do not multiply. For example, if[]=1, then4[] is 41.

Find the answers to these questions.

• find
• for=0
• find
• for=4
• find
• for=5

[a] = 2 so the validity would be 42