A baseball is thrown with an initial velocity of 100 m/s at an angle of 30 degrees above the horizontal. How far from the throwing point will the baseball attain its original level? 750 m 730 m 890 m 850 m None of the Above M

A baseball is thrown with an initial velocity of 100 m/s at an angle of 30 degrees above the horizontal. How far from the throwing point will the baseball attain its original level? 750 m 730 m 890 m 850 m None of the Above M

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Description: 5A baseball is thrown with an initial velocity of 100 m/s at an angle of 30 degrees above thehorizontal. How far from the throwing point will the baseball attain its original level?750 m730 m890 m850 mNone of the Above5

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter3: Two-dimensional Kinematics

Section: Chapter Questions

Problem 30PE: A rugby player passes the ball 7.00 m across the field, where it is caught at the same height as it...

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A student stands at the edge of a cliff and throws a stone horizontally over the edge with a speed of 18.0 m/s. The cliff is 50.0 m above a flat, horizontal beach as shown in Figure P3.7. (a) What are the coordinates of the initial position of the stone? (b) What are the components of the initial velocity? (c) Write the equations for the x- and y-components of the velocity of the stone with time, (d) Write the equations for the position of the stone with time, using the coordinates in Figure P3.7. (e) How long after being released does the stone strike the beach below the cliff? (f) With what speed and angle of impact does the stone land? Figure P3.7
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A rugby player passes the ball 7.00 m across the field, where it is caught at the same height as it left his hand. (a) At what angle was the ball thrown if its initial speed was 12.0 m/s, assuming that the smaller of the possible angles was used? (b) What other angle gives the same range, and why would it not be used? (c) How long did this pass take?
Two boats start together and race across a 60-km-wide lake and back. Boat A goes across at 60 km/h and returns at 60 km/h. Boat B goes across at 30 km/h, and its crew, realizing how far behind it is getting, returns at 90 km/h. Turnaround times are negligible, and the boat that completes the round trip first wins. (a) Which boat wins and by how much? (Or is it a tie?) (b) What is the average velocity of the winning boat?
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