In: Physics
A batted baseball is hit with a velocity of 44 m/s, starting from an initial height of 4 m. Find how high the ball travels in two cases:
(a) a ball hit directly upward and
(b) a ball hit at an angle of 69° with respect to the horizontal.
Also, find how long the ball stays in the air in each case.
case a:
case b:
(a) a ball hit directly upward
initial velocity,
Initial height,
Use formula
Velocity at Max height is zero
Total height =
ANSWER:
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Time
Going Up
Use formula
Coming Down
Use formula
Total time,
ANSWER:
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(b)a ball hit at an angle of 69° with respect to the horizontal.
initial velocity,
Initial height,
Use formula
Total height =
ANSWER:
==================
Time ,Going up
Initial vertical velocity ,
Use formula
Coming Down
Use formula
Total time,
ANSWER:
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