She starts from rest at a height h1 of 26.6 m. When she is partway down the slide, at a height h2 of 13.6 m, she is moving at a speed of 1.70 m/s. Calculate the mechanical energy lost due to friction

Explanation:

Below is an attachment containing the solution.

The answer is b hope this

Amethod of procedure that has characterized natural science since the 17th century, consisting in systematic observation, measurement, and experiment, and the formulation, testing, and modification of hypotheses.