Practice: A frog leaves the ground with a speed of 15 m/s and stays in the air for 2.0 seconds. At what angle did the frog jump?
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Sections | |||
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Intro to Projectile Motion: Horizontal Launch | 36 mins | 0 completed | Learn |
Negative (Downward) Launch | 25 mins | 0 completed | Learn |
Symmetrical Launch | 25 mins | 0 completed | Learn |
Projectiles Launched From Moving Vehicles | 14 mins | 0 completed | Learn |
Special Equations in Symmetrical Launches | 17 mins | 0 completed | Learn |
Positive (Upward) Launch | 42 mins | 0 completed | Learn |
Using Equation Substitution | 18 mins | 0 completed | Learn |
Concept #1: Using Special Equations in Symmetrical Launch Problems
Practice: A frog leaves the ground with a speed of 15 m/s and stays in the air for 2.0 seconds. At what angle did the frog jump?
Example #1: A champion long-jumper competing on Planet X is capable of leaving the ground with a speed of 6 m/s. The maximum distance he can cover on Planet X turns out to be 9 m. What is the gravity on Planet X?
Practice: A golf ball is hit at ground level at an angle of 31.9° above the horizontal. Its range is 257 m over a level green. What was the magnitude of the golf ball's initial velocity?
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