The height of a stuntperson jumping off a building that is 20 m high is modeled by the equation h = 20 – 5t2, where t is the tim

Question

3 years ago

11

The height of a stuntperson jumping off a building that is 20 m high is modeled by the equation h = 20 – 5t2, where t is the tim

e in seconds. A high-speed camera is ready to film the person between 15 m and 10 m above the ground. For which interval of time should the camera film the person

Mathematics

2 answers:

Nostrana [21] · Answer 1 · 2022-11-16T18:36:06+03:00

Nostrana [21]3 years ago

8 0

Answer:

$\sqrt{2}$ - 1

Step-by-step explanation:

h = 20 – 5t2 = 15 -> t = 1

h = 20 – 5t2 = 10 -> t = $\sqrt{2}$

interval $\sqrt{2}$ - 1

natta225 [31] · Answer 2 · 2022-11-16T20:19:42+03:00

natta225 [31]3 years ago

4 0

Answer:

B

Step-by-step explanation: