# 12-6 - Quiz#1 A sphere is fired downwards into a medium...

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Quiz #1  A sphere is fired downwards into a medium  with an initial speed of 27 m/s. If it  experiences a deceleration of a = -6t m/s 2 where  t is in seconds, determine the  distance traveled before it stops.

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MOTION OF A PROJECTILE Today’s Objectives: Students will be able to: 1. Analyze the free-flight motion of a projectile. In-Class Activities: Check Homework Reading Quiz Applications Kinematic Equations for Projectile Motion Concept Quiz Group Problem Solving Attention Quiz
APPLICATIONS A good kicker instinctively knows at what angle, θ , and initial velocity, v A , he must kick the ball to make a field goal. For a given kick “strength”, at what angle should the ball be kicked to get the maximum distance?

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APPLICATIONS (continued) A basketball is shot at a certain angle. What parameters should the shooter consider in order for the basketball to pass through the basket? Distance, speed, the basket location, … anything else ?
(continued) A firefighter needs to know the maximum height on the wall she can project water from the hose. What parameters would you program into a wrist computer to find the angle, θ , that she should use to hold the hose?

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## This note was uploaded on 09/15/2010 for the course EGN 3321 taught by Professor Christianfeldt during the Summer '08 term at University of Central Florida.

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12-6 - Quiz#1 A sphere is fired downwards into a medium...

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