Скачать или смотреть 2.70 Mastering Physics Solution-"A rock is tossed straight up with a speed of 20 m/s. When it return

Mastering Physics Video Solution for problem #2.70 "A rock is tossed straight up with a speed of 20 m/s. When it returns, it falls into a hole 10 m deep.
a. What is the rock’s velocity as it hits the bottom of the hole?
b. How long is the rock in the air, from the instant it is released until it hits the bottom of the hole?"

Physics Chapter 2 Motion in One Dimension problem walk-through.

Question and book cover in thumbnail taken from the textbook:
Knight, Randall Dewey, et al. College Physics: A Strategic Approach. Pearson, 2019.
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