When an object is thrown upwards with a speed of 64 ft/sec, its height above the ground is given by the function h(t)=−16t2+64t
, where t is the time in seconds after it has been thrown. At what time will the object reach its highest point?
1 answer:
Answer:
The object will reach its highest point 0.5 seconds after it has been thrown.
Step-by-step explanation:
The object reaches its maximum height when velocity is equal to zero, the velocity is the derivative of function height. That is:
(1)
Where
is the velocity of the object at time
, in feet per seconds.
If we know that
and
, then the time when object reaches its highest point is:



The object will reach its highest point 0.5 seconds after it has been thrown.
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