Lisa is standing on a dock beside a lake. She drops a rock from her hand into the lake. After the rock hits the surface of the l

Question

4 years ago

15

Lisa is standing on a dock beside a lake. She drops a rock from her hand into the lake. After the rock hits the surface of the l

ake, the rock's distance from the lake's surface changes at a rate of −6 inches per second. If Lisa holds her hand 6 feet above the lake's surface, how far from Lisa's hand is the rock 7 seconds after it hits the surface?

Mathematics

1 answer:

Marrrta [24] · Answer 1 · 2021-12-09T17:30:57+03:00

Marrrta [24]4 years ago

3 0

Answer:

-48 feet

Step-by-step explanation:

7*(-6) = 42 feet under the surface. Add an extra 6 feet from the distance to her hand and it is -48 feet.