16. In a volleyball match, Jenny se volleyball at 14 m/s, from a he above the court. The height of flight can be estimated using
16. In a volleyball match, Jenny se volleyball at 14 m/s, from a he above the court. The height of flight can be estimated using
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Can you please help me do this using the quadratic formula 

Transcribed Image Text:16. In a volleyball match, Jenny serves the
volleyball at 14 m/s, from a height of 2.5 m
above the court. The height of the ball in
flight can be estimated using the equation
h = -4.9t2 + 14t + 2.5, where h is the
height, in metres, and t is the time, in
seconds, after she serves the ball.
a) What is the maximum height of the
volleyball above the court? When does
this occur? Round answers to the
nearest tenth.
b) If a player on the other team contacts
the ball at a height of 0.5 m above the
court, how long does it take for the ball
to reach her? Round to the nearest
second.
.... ..
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