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Back to 8.3 Conservation of Energy

8.3 Exercise 19

Avg difficulty 2.5

Assume that the force of a bow on an arrow behaves like the spring force. In aiming the arrow, an archer pulls the bow back 50 cm and holds it in position with a force of 150N150 \text{N}. If the mass of the arrow is 50g50 \text{g} and the “spring” is massless, what is the speed of the arrow immediately after it leaves the bow?

OpenStax University Physics Volume 1, 8.3 Conservation of Energy, exercise 19

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Adapted from University Physics Volume 1 © 2016 Rice University. Licensed under CC BY 4.0. Source: University Physics Volume 1. Imported at revision db44eb9.