Physics, 06.09.2020 15:01 karicloou1332
Two boats start together and race across a 68-km-wide lake and back. Boat A goes across at 68 km/h and returns at 68 km/h. Boat B goes across at 34 km/h, and its crew, realizing how far behind it is getting, returns at 102 km/h. Turnaround times are negligible, and the boat that completes the round trip first wins.
a. Which boat wins and by how much?
b. What is the average velocity of the winning boat?
Answers: 1
Physics, 22.06.2019 06:00
When you push downward on a book at rest on a table, you feel an upward force. does this force depend on friction? defend your answer.
Answers: 2
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