4. Calculate the displacement and velocity at the following times for a ball thrown straight up with an initial velocity of 12.1 m/s. Take the point of release to be YF 0. Assume air resistance is negligible. a) at t = 0.5 s, b) at t = 1.0 s, c) at t = 1.5 s, d) at t = 2.0 s

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Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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4. Calculate the displacement and velocity at the following times for a ball
thrown straight up with an initial velocity of 12.1 m/s. Take the point of release
to be
yF 0. Assume air resistance is negligible.
a) at t = 0.5 s, b) at t = 1.0 s, c) at t = 1.5 s, d) at t = 2.0 s
5. (a) Calculate the height of a cliff if it takes 2.17 s for a rock to hit the ground
when it is thrown straight up from the cliff with an initial velocity of 8.15 m/s.
(b) How long would it take to reach the ground if it is thrown straight down with
the same speed?
Transcribed Image Text:4. Calculate the displacement and velocity at the following times for a ball thrown straight up with an initial velocity of 12.1 m/s. Take the point of release to be yF 0. Assume air resistance is negligible. a) at t = 0.5 s, b) at t = 1.0 s, c) at t = 1.5 s, d) at t = 2.0 s 5. (a) Calculate the height of a cliff if it takes 2.17 s for a rock to hit the ground when it is thrown straight up from the cliff with an initial velocity of 8.15 m/s. (b) How long would it take to reach the ground if it is thrown straight down with the same speed?
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