Ross Simmons
09/22/2023 · Primary School
\( \left.7^{\circ}\right) \) A trajetória da bola num chute a gol, descreve uma parábola. Supondo que sua altura \( h \), em metros, \( t \) segundos após o chute seja dada por \( h=-t^{2}+6 t \), determine: a) Em que instante a bola atinge a altura máxima? b) Qual é a altura máxima atingida pela bola?
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a) A bola atinge a altura máxima em 3 segundos.
b) A altura máxima é de 9 metros.
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