Mathematics, 27.06.2020 07:01, Imanilh

Luiza is jumping on a trampoline. H(t)H(t)

H(t)

H, left parenthesis, t, right parenthesis

models her distance above the ground (in

m\text{m}

m

start text, m, end text

)

tt

t

t

seconds after she starts jumping. Here,

tt

t

t

is entered in radians.

H(t)=−0.6cos⁡(2π2.5t)+1.5H(t) = -0.6\cos\left(\dfrac{2\pi}{2.5}t\ri ght) + 1.5

H(t)=−0.6cos(

2.5

2π

t)+1.5

H, left parenthesis, t, right parenthesis, equals, minus, 0, point, 6, cosine, left parenthesis, start fraction, 2, pi, divided by, 2, point, 5, end fraction, t, right parenthesis, plus, 1, point, 5

What is the second time when Luiza reaches a height of

1.2 m1.2\text{ m}

1.2 m

1, point, 2, start text, space, m, end text

?

Round your final answer to the nearest hundredth of a second.

Answers: 2

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Luiza is jumping on a trampoline. H(t)H(t)

H(t)

H, left parenthesis, t, rig...