7) You throw a ball straight upward. As it leaves your hand, its speed is 15 m/s. a) How much time does it take for the ball to reach the top of its trajectory? Start from a fundamental principle (e.g. Momentum Principle or Energy Principle); you will need to start from a different one in part (b).

7) You throw a ball straight upward. As it leaves your hand, its speed is 15 m/s. a) How much time does it take for the ball to reach the top of its trajectory? Start from a fundamental principle (e.g. Momentum Principle or Energy Principle); you will need to start from a different one in part (b).

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter11: Gravity, Planetary Orbits, And The Hydrogen Atom

Section: Chapter Questions

Problem 57P

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Question

Hello, can you help me with this problem?

7) You throw a ball straight upward. As it leaves your hand, its speed is 15 m/s.
a) How much time does it take for the ball to reach the top of its trajectory? Start from
a fundamental principle (e.g. Momentum Principle or Energy Principle); you will need to start
from a different one in part (b).

b) How high above your hand is the top of the trajectory? Start from a fundamental
principle (e.g. Momentum Principle or Energy Principle); you must start from a different one
from the one used in part (a).

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