Question

Alessandra jumps on a trampoline. It takes her 1 second to

Answer 1

Answer:

The speed of Alessandra's motion is 2 ft/s up.

(C) is correct option.

Explanation:

Given that,

Time = 1 sec

Height = 2 feet

We need to calculate the speed of Alessandra's motion

Using formula of speed

$v=\dfrac{d}{t}$

Where, v = speed

d = height

t = time

Put the value into the formula

$v=\dfrac{2}{1}$

$v=2\ ft/s$

The direction will be up ward.

Hence, The speed of Alessandra's motion is 2 ft/s up.

(C) is correct option.