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physics

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A man can throw a ball a maximum horizontal
distance of 149 m.
The acceleration of gravity is 9.8 m/s2 .
How far can he throw the same ball verti-
cally upward with the same initial speed?
Answer in units of m.

  • physics - ,

    If you think about it, the total distance travled in the x direction is equal to the y direction since to get the max an object can go in the x direction is acquired at a 45 degree angle. So you are going a total of 149 m, at the highest point the distance traveled will be 149/2, because distance up always equals distance down. So the answer is 149/2 or 74.5 m.

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