Answer to Question #1985 in Calculus for Denise

Question #1985
A model rocket is fired vertically upward from rest. Its acceleration for the first three seconds is a(t) = 60t at which time the fuel is exhausted and it becomes a freely "falling" body. Fourteen seconds later, the rocket's parachute opens, and the (downward) velocity slows linearly to -18 ft/s in 5 s. The rocket then "floats" to the ground at that rate. (b) At what time does the rocket reach its maximum height? (Give your answer correct to one decimal place.) ___________________ s What is that height? (Give your answer correct to the nearest whole number.) ____________________ ft (c) At what time does the rocket land? (Give your answer correct to one decimal place.) _______________________ s
0
Expert's answer

Not answered

Need a fast expert's response?

Submit order

and get a quick answer at the best price

for any assignment or question with DETAILED EXPLANATIONS!

Comments

No comments. Be first!

Leave a comment

Ask Your question

LATEST TUTORIALS
New on Blog
APPROVED BY CLIENTS
paypal