Physics, 20.03.2021 01:00 jadenhaslam

At one instant, an object is moving straight up at 80 meters per second. Four seconds later, its speed should be about
O 100 m/s.
O 50 m/s.
O 90 m/s.
O 60 m/s.
O 40 m/s.

Answers: 2

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At one instant, an object is moving straight up at 80 meters per second. Four seconds later, its sp...