A baseball is thrown from the roof of a 22.0 -m-tall building with an initial velocity of magnitude 12.0 m/s and directed at an angle of 53.1° above the horizontal. (a) What is the speed of the ball just before it strikes the ground? Use energy methods and ignore air resistance. (b) What is the answer for part (a) if the initial velocity is at an angle of 53.1° below the horizontal? (c) If the effects of air resistance are included, will part (a) or (b) give the higher speed?
A baseball is thrown from the roof of a 22.0 -m-tall building with an initial velocity of magnitude 12.0 m/s and directed at an angle of 53.1° above the horizontal. (a) What is the speed of the ball just before it strikes the ground? Use energy methods and ignore air resistance. (b) What is the answer for part (a) if the initial velocity is at an angle of 53.1° below the horizontal? (c) If the effects of air resistance are included, will part (a) or (b) give the higher speed?
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Chapter8: Conservation Of Energy
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Problem 8.34P: An electric scooter has a battery capable of supplying 120 Wh of energy. If friction forces and...
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![A baseball is thrown from the roof of a 22.0 -m-tall building with an initial velocity of magnitude 12.0 m/s and
directed at an angle of 53.1° above the horizontal. (a) What is the speed of the ball just before it strikes the
ground? Use energy methods and ignore air resistance. (b) What is the answer for part (a) if the initial velocity is
at an angle of 53.1° below the horizontal? (c) If the effects of air resistance are included, will part (a) or (b) give
the higher speed?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fde0c9e57-c27c-4a12-a109-e48a0d61161e%2F02ba258a-492c-4c45-b3d6-172f0ea3891f%2Fjj2y97c_processed.png&w=3840&q=75)
Transcribed Image Text:A baseball is thrown from the roof of a 22.0 -m-tall building with an initial velocity of magnitude 12.0 m/s and
directed at an angle of 53.1° above the horizontal. (a) What is the speed of the ball just before it strikes the
ground? Use energy methods and ignore air resistance. (b) What is the answer for part (a) if the initial velocity is
at an angle of 53.1° below the horizontal? (c) If the effects of air resistance are included, will part (a) or (b) give
the higher speed?
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