44. A pyrotechnic rocket is fired from a platform 2 ft high at an angle of 60° from the horizontal with an initial speed of 72 ft/sec. Choose a coordinate system with the origin at ground level directly below the launch position. a. Write parametric equations that model the path of the chell as a function of the time t (in sec) after launch. b. Approximate the time required for the shell to hit the oround. Round to the nearest hundredth of a second. c. Approximate the horizontal distance that the shell travels before it hits the ground. Round to the nearest foot.

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Chapter4: Two-and-three Dimensional Motion
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n angle of 60° from the horizontal with an initial speed
shell as a function of the time t (in sec) after launch.
of 72 ft/sec. Choose a coordinate system with the origin
a. Write parametric equations that model the path of the
44. A pyrotechnic rocket is fired from a platform 2 ft high at
at ground level directly below the launch position.
at
an
. Write parametric equations that model the path of the
a.
shell as a function of the time t (in sec) after launch.
b. Approximate the time required for the shell to hit the
ground. Round to the nearest hundredth of a second.
c. Approximate the horizontal distance that the shell
travels before it hits the ground. Round to the nearest
foot.
ces and Series
1006
10
Transcribed Image Text:n angle of 60° from the horizontal with an initial speed shell as a function of the time t (in sec) after launch. of 72 ft/sec. Choose a coordinate system with the origin a. Write parametric equations that model the path of the 44. A pyrotechnic rocket is fired from a platform 2 ft high at at ground level directly below the launch position. at an . Write parametric equations that model the path of the a. shell as a function of the time t (in sec) after launch. b. Approximate the time required for the shell to hit the ground. Round to the nearest hundredth of a second. c. Approximate the horizontal distance that the shell travels before it hits the ground. Round to the nearest foot. ces and Series 1006 10
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