Physics, 10.03.2020 08:40 haldridge19
A fast pitch softball player does a "windmill" pitch, moving her hand through a vertical circular arc to pitch a ball at 55 mph. The 0.19 kg ball is 45 cm from the pivot point at her shoulder.
a. Just before the ball leaves her hand, what is its centripetal acceleration?
b. At the lowest point of the circle the ball has reached its maximum speed. What is the magnitude of the force her hand exerts on the ball at this point?
c. At the lowest point of the circle the ball has reached its maximum speed. What is the direction of the force her hand exerts on the ball at this point
Answers: 1
Another question on Physics
Physics, 22.06.2019 17:30
You can watch static electricity in action by rubbing an inflated balloon against your hair. your hair will actually stand on its end! it does this because each hair becomes charged, and they all repel one another.
Answers: 3
Physics, 22.06.2019 22:00
What would people living along the coast in south florida do if there was a hurricane warning? move to locations away from the water flock along coasts to watch the natural phenomenon buy instruments to predict the exact location of the hurricane measure water levels to know the exact time of the hurricane
Answers: 3
Physics, 23.06.2019 01:30
The field lines around one end of a bar magnet are shown below based on the diagram, what can you conclude about the pole of the magnet? a.is a south pole because the field hnes spread out from this end b.a north pole because the field lines spread out from this end c.a nouth pole because the field lines enter the magnet at this end d.is a north pole because the field lines enter the magnet at this end
Answers: 1
You know the right answer?
A fast pitch softball player does a "windmill" pitch, moving her hand through a vertical circular ar...
Questions
Chemistry, 22.04.2020 00:42
Mathematics, 22.04.2020 00:42
Mathematics, 22.04.2020 00:42
Chemistry, 22.04.2020 00:42
Spanish, 22.04.2020 00:42
Chemistry, 22.04.2020 00:42
History, 22.04.2020 00:42
Mathematics, 22.04.2020 00:42
Mathematics, 22.04.2020 00:42
History, 22.04.2020 00:42
History, 22.04.2020 00:42
