2 years ago

The height h, in feet, of a projectile t seconds after launch is modeled by the equation h = 32t - 16t2. How long after launch does the projectile return to the ground?

a) 2 seconds

b) 4 seconds

c) 14 seconds

d) 16 seconds

Question

Mathematics

Leroy Barry

27 November, 13:54

2 years ago

The height h, in feet, of a projectile t seconds after launch is modeled by the equation h = 32t - 16t2. How long after launch does the projectile return to the ground?

a) 2 seconds

b) 4 seconds

c) 14 seconds

d) 16 seconds

+3

Answers (1)

Know the Answer?

Taniyah · Answer 1

H=0 would be what you'd plug in ince once it is at zero it presumably is at the ground

0 = 32t - 16t^2

16t (2-t) = 0

what will go into t and make the equation 0?

2.

answer A) 2

2 years agoThe height h, in feet, of a projectile t seconds after launch is modeled by the equation h = 32t - 16t2. How long after launch does the projectile return to the ground?a) 2 secondsb) 4 secondsc) 14 secondsd) 16 seconds

2 years ago

The height h, in feet, of a projectile t seconds after launch is modeled by the equation h = 32t - 16t2. How long after launch does the projectile return to the ground?

a) 2 seconds

b) 4 seconds

c) 14 seconds

d) 16 seconds