A ball is thrown horizontally at a velocity of 4.0 m/s. a) What is its final velocity after 0.75 seconds of its flight? b) What is its resultant velocity at the time described in 5a? c) Find its final velocity at a height of 5 m from the ground. d) Find its resultant velocity at the point described in 5c.

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Chapter3: Two-dimensional Kinematics
Section: Chapter Questions
Problem 54PE: Near the end of a marathon race, the first two runners are separated by a distance of 45.0 m. The...
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  1. A ball is thrown horizontally at a velocity of 4.0 m/s.
  2. a) What is its final velocity after 0.75 seconds of its flight?
  3. b) What is its resultant velocity at the time described in 5a?
  4. c) Find its final velocity at a height of 5 m from the ground.
  5. d) Find its resultant velocity at the point described in 5c.
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