a car travels at 15 m/s for 10 s. It then speeds up with a constant acceleration of 2.0 m/s? for 15 s. At the end of this time, what is its

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a car travels at 15 m/s for 10 s. It then speeds up with a constant acceleration of 2.0 m/s? for 15 s. At the end of this time, what is its velocity?

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Thạch Thảo 6 months 2021-07-16T11:25:15+00:00 1 Answers 0 views 0

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    2021-07-16T11:27:09+00:00

    V = u + at where u is initial velocity (15 m/s), a is acceleration (2m/s^2) and t is time (15 seconds)

    V = 15 + 2 X 15

    V = 45 m/s

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )