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(a) As a woodpecker's beak hits a tree (Figure 5-12), the speed of the bird's head decreases from 6.6 m/s to 0 m/s in a distance of 2.0 mm. Determine the magnitude of the acceleration. Assume horizontal motion and constant acceleration. Type your answer here x10 to the power of Type your answer here m/s²

(a) As a woodpecker's beak hits a tree (Figure 5-12), the speed of the bird's head decreases from 6.6 m/s to 0 m/s in a distance of 2.0 mm. Determine the magnitude of the acceleration. Assume horizontal motion and constant acceleration. Type your answer here x10 to the power of Type your answer here m/s²

College Physics
College Physics
1st Edition
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:Paul Peter Urone, Roger Hinrichs
Chapter5: Further Applications Of Newton's Laws: Friction, Drag, And Elasticity
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Florida Stock/Shutterstock.com Figure 5-12 The force on a woodpecker's head when drilling a hole in a tree is huge. Woodpeckers' heads have several unique features to reduce the shock to the brain, including a thin layer of fluid between the skull and brain (Question 5-29).
Transcribed Image Text:Florida Stock/Shutterstock.com Figure 5-12 The force on a woodpecker's head when drilling a hole in a tree is huge. Woodpeckers' heads have several unique features to reduce the shock to the brain, including a thin layer of fluid between the skull and brain (Question 5-29).
(a) As a woodpecker's beak hits a tree (Figure 5-12), the speed of the bird's head decreases from 6.6 m/s to 0 m/s in a distance of 2.0 mm. Determine the magnitude of the acceleration. Assume horizontal motion and constant acceleration. Type your answer here Type your answer here x10 to the power of (b) How much time does it take for the head to slow down? head? Type your answer here S Type your answer here x10 to the power of (Some kinematics may come into play here!) Type your answer here (c) What is the ratio of the magnitude of the force exerted by the tree on the head to the magnitude of the force of gravity on the m/s² Type your answer here x10 to the power of
Transcribed Image Text:(a) As a woodpecker's beak hits a tree (Figure 5-12), the speed of the bird's head decreases from 6.6 m/s to 0 m/s in a distance of 2.0 mm. Determine the magnitude of the acceleration. Assume horizontal motion and constant acceleration. Type your answer here Type your answer here x10 to the power of (b) How much time does it take for the head to slow down? head? Type your answer here S Type your answer here x10 to the power of (Some kinematics may come into play here!) Type your answer here (c) What is the ratio of the magnitude of the force exerted by the tree on the head to the magnitude of the force of gravity on the m/s² Type your answer here x10 to the power of
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