A missile is launched straight up in the air. The height of the missile, h metres, above the ground t seconds after the launch button is pressed is given by: h 120t - 4.9t² Calculate the speed of the missile (m/s) 7 seconds after launch. Give your answer correct to one decim place. V= m/s What is the maximum height achieved by this missile? Give your answer correct to one decimal place. h m

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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A missile is launched straight up in the air. The height of the missile, h metres, above the ground t
seconds after the launch button is pressed is given by:
h 120t4.9t²
=
Calculate the speed of the missile (m/s) 7 seconds after launch. Give your answer correct to one decim
place.
V=
m/s
What is the maximum height achieved by this missile? Give your answer correct to one decimal place.
h
=
m
Transcribed Image Text:A missile is launched straight up in the air. The height of the missile, h metres, above the ground t seconds after the launch button is pressed is given by: h 120t4.9t² = Calculate the speed of the missile (m/s) 7 seconds after launch. Give your answer correct to one decim place. V= m/s What is the maximum height achieved by this missile? Give your answer correct to one decimal place. h = m
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