Speed of the arrow when it leaves the bow.
Answer to Problem 21P
Solution:
Explanation of Solution
Given:Mass of the arrow,
Bowstring exerts the force on the arrow
Arrow travels a distance
Formula Used:
According to conservation energy theorem, work done by the force equal to change in kinetic energy of the particle.
The work done on the arrow by the bow is equal to the kinetic energy of the arrow as it leaves the bow
Where W is the work done, F is a force, m is mass of the ball, v is the speed of the ball
Calculations: Substitute this value in above equation and solve for required speed
The speed of the arrow when it leaves the bow is 43 m/s.
Conclusion:A
Chapter 6 Solutions
Physics: Principles with Applications
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