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Home > CALC > Chapter 5 > Lesson 5.3.1 > Problem 5-114

5-114.
  1. Carol threw an eraser straight up with a starting velocity of 12 m/sec and a starting height of one meter. Homework Help ✎

    1. How high was the eraser after 1 second? After 2 seconds?

    2. When did the eraser reach its maximum height? What was the maximum height?

Notice that the units are in meters, not feet. Which generic falling object (in earth) equation should we use?

Set up the generic falling object (on Earth) equation, plugging in values for initial velocity, v0; and initial position, s0.

Evaluate at t = 1 and t = 2.

Optimize the position.

Be sure to answer both questions.