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Mathematics, 25.02.2021 16:20 brionesoswaldo09
John Carter is standing on a low hill on Mars and he throws a spear at an oncoming enemy tribesman. The tribesman is on the level plain 53 feet below him. The spear follows the function H(t)=-6.1t2+42.7t+53. How many seconds after he releases the spear does it start to descend towards its target? (i. e. when does it reach its highest point?)
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John Carter is standing on a low hill on Mars and he throws a spear at an oncoming enemy tribesman....
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