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Objective: To use kinematic equations in horizontally-launched projectile problems in order to solve for original height, horizontal displacement, and original horizontal velocity.
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Solving Horizontally-Launched Projectile Problems
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Given values of horizontal displacement and height, solve for vox. Solve 2 problems of this type.
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Given values of original height and original speed, solve for dx. Solve 2 problems of this type.
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Solve 1 problem for each of the three variables - dx, dy, and vox.
Given values of horizontal displacement and speed, solve for dy. Solve 2 problems of this type.
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You have done it! You have successfully Solved for vox two times. You have earned the trophy for the third activity.
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Drats! That’s not correct. But you’ll get another chance soon. Here’s a sketch of the solution: GIVEN: dy= -AAA m, voy = 0 m/s, ay = -9.8 m/s/s dx= BBB m, ax = 0 m/s/s Unknown: vox = ??? Use dy, voy, and ay to find the t (time to fall). Then use dx and t to find the vox value.
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Solve 2 dx Problems
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Solve 2 dy Problems
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Answer:
Solve 2 vox Problems
the New Acceleration
Use ≥ 3 Sig Figs
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