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Unformatted text preview: v ( t ) = 1 1 i + 1 1 j + -10t-1 -1*(10t+1) k r ( t ) = t+2 t+2 i + t+3 t+3 j + -5t^2-t -1*(5t^2+t) k 3. [SCalcCC2 10.4.24.] --/3 points A gun is fired with angle of elevation 30°. What is the muzzle speed if the maximum height of the 12/9/08 7:42 PM Section 10.4 Page 2 of 2 http://www.webassign.net/[email protected]/[email protected] shell is 310 m? (No Response) 156 m/s 4. [SCalcCC2 10.4.26.] 2.5/2.5 points A batter hits a baseball 3 ft above the ground toward the center filed fence, which is 10 ft high and 400 ft from home plate. The ball leaves the bat with speed 115 ft/s at an angle 50° above the horizontal. Is it a home run? (In other words, does the ball clear the fence?) Note: Use g = 32 ft/s 2 . yes no How high is the ball above the ground when it reaches the fence? 11.219 11.2 ft...
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- Spring '08
- Shell, Velocity, EDT Description Motion, Space MICKLES BRANDON