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prohojiy [21]
3 years ago
5

A football is kicked vertically upward from a height of 4 feet with an initial speed of 65 feet per second. The formula h=4+65t−

16t2 describes the​ ball's height above the​ ground, h, in​ feet, t seconds after it was kicked. Use this formula to find the​ ball's height 2 seconds after it was kicked. The​ ball's height, 2 seconds after it was​ kicked, was nothing feet. I NEED EXTREME HELP PLEASE !!!
Mathematics
2 answers:
KATRIN_1 [288]3 years ago
3 0

Answer: h = 70ft

Step-by-step explanation: To find the height the ball reached after 2 seconds, substitute variable t for 2 and calculate height:

h=4+65t-16t^{2}

h=4+65.2-16.2^{2}

h=4+65.2-16.4

h=4+130-64

h = 70

<u>After 2s, the football reached a height of </u><u>70 feet</u><u>.</u>

Sedaia [141]3 years ago
3 0

Answer:

if its for 3 seconds the answer is 55

Step-by-step explanation:

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