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Unformatted text preview: v ( t ) = 1 1 i + 1 1 j + 10t1 1*(10t+1) k r ( t ) = t+2 t+2 i + t+3 t+3 j + 5t^2t 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/v4cgiblmickle@ncsu/student.pl?s=20081210003609blmickle@ncsu15278239 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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This note was uploaded on 11/15/2010 for the course MA 242 taught by Professor Bliss during the Spring '08 term at N.C. State.
 Spring '08
 Bliss

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