4. The quarterback Q throws the football when the. receiver R is in the position shown. The receiver's velocity is constant at 10 yd/sec, and he catches passes when the ball is 6 ft above the ground. If the quarterback desires the receiver to catch the ball 2.5 sec after the launch instant shown, determine the initial speed vo and angle 0 required. on on ne Ans. 31.1°, 77.1 ft/sec ,2 7' R > UR Q 30 yd at 1. Determine the maximum speed for car A in m/s if the normal acceleration is limited to 0.89g. The roadway is unbanked and level. g = 9.81 m/s2 %3D 21 m 16 m
4. The quarterback Q throws the football when the. receiver R is in the position shown. The receiver's velocity is constant at 10 yd/sec, and he catches passes when the ball is 6 ft above the ground. If the quarterback desires the receiver to catch the ball 2.5 sec after the launch instant shown, determine the initial speed vo and angle 0 required. on on ne Ans. 31.1°, 77.1 ft/sec ,2 7' R > UR Q 30 yd at 1. Determine the maximum speed for car A in m/s if the normal acceleration is limited to 0.89g. The roadway is unbanked and level. g = 9.81 m/s2 %3D 21 m 16 m
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:4. The quarterback Q throws the football when the.
receiver R is in the position shown. The receiver's
velocity is constant at 10 yd/sec, and he catches
passes when the ball is 6 ft above the ground. If the
quarterback desires the receiver to catch the ball 2.5
sec after the launch instant shown, determine the
initial speed vo and angle 0 required.
on
on
ne
Ans. 31.1°, 77.1 ft/sec
,2
7'
R
> UR
Q
30 yd
at
Transcribed Image Text:1. Determine the maximum speed for
car A in m/s if the normal acceleration
is limited to 0.89g. The roadway is
unbanked and level. g = 9.81 m/s2
%3D
21 m
16 m
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