Question

Dana rolls a marble with a speed of 5.0m/s across a level table that is 1.6 m above the floor. Upon reaching the edge of the table it follows a parabolic path to the floor. How far does the marble travel in the x-direction?

Answer 1

Answer on Question #71477- Physics-Other

Dana rolls a marble with a speed of 5.0m/s across a level table that is 1.6 m above the floor. Upon reaching the edge of the table it follows a parabolic path to the floor. How far does the marble travel in the x-direction?

Solution

$$x = v t$$ $$t = \sqrt {\frac {2 h}{g}}$$ $$x = v \sqrt {\frac {2 h}{g}} = 5 \sqrt {\frac {2 (1 . 6)}{9 . 8}} = 2. 9 m.$$

Answer: 2.9 m.

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