Question

a block slides down a 45° slope for a total of 2 meters what is the change in height of the block

Answer 1

Explanation:

change in height is component of 2m in y axis

2cos45 =

$2 \times \frac{1}{ \sqrt{2} } = \frac{2}{ \sqrt{2} } = \sqrt{2}$

change in height is root 2 metre