Homework Help: calculus

Posted by nady on Wednesday, April 11, 2012 at 12:47am.

2. A bullet is fired from the ground at an angle of 45o above the horizontal. What initial speed vo must the bullet have in order to hit a point 550 ft high on a tower located 600 ft away (ignoring air resistance)?

the subject is physics - drwls, Wednesday, April 11, 2012 at 1:20am
Write separate equations for x and y with Vo and t as the unknowns. Require that x = 600 ft and y = 550 ft at the same time t. Solve for Vo and t.

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