It is observed that the time for the ball to strike the ground at b is 2.9 s. determine angle θa at which the ball was thrown
1 answer:
Assuming the ball was popped up vertically, the angle is 90 degrees.
Any less angle would require the initial velocity which is not given.
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1/3+3
Ab=1
-b^²=-9
B=3
A=1/3
a+b=1/3+3
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The answer is B. a=48, b=10, c=120, d=13
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