Question

please Answer fast!!!!!​

Answer 1

Answer:

0.5 m/s

Explanation:

As how much the speed he took to go up that much speed he will take to come down

so

it is 0.5 m/s

Answer 2

Answer:

8seconds

Explanation:

Distance he needs to cover=

$5 - 1 = 4m$

V=

$0.5 ms - 1$

$t = \frac{s}{v}$

therefore time is 8seconds