Sorry im a little late but here's how i did it.
Hope this helps! :)
When the sun was directly overhead, the stick had no shadow. After 20 minutes, the shadow was 10.5 cm long. After 60 minutes, it
1 answer:
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Answer:
2.5 second
Step-by-step explanation:
The equation is missing in the question.
The equation is, , where 'h' is the height and 't' is time measured in second.
Now we know to reach its maximum height, h in t seconds, the derivative of h with respect to time t is given by :
Now the differentiating the equation with respect to time t, we get
For maximum height,
So,
Therefore, the ball takes 2.5 seconds time to reach the maximum height.