at what Velocity (in cm/s) did Hinata hit the ball? b) how far from the net (in meters) did the ball land if he hit it 0.30m away from the net. c) at what Velocity does the ball hit the ground.

Glencoe Physics: Principles and Problems, Student Edition
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Author:Paul W. Zitzewitz
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Chapter6: Motion In Two Dimensions
Section: Chapter Questions
Problem 87A
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Problem: During a match between Karasuno and Nekoma, Hinata hits the ball at an angle 40 degrees below the horizontal from a height of 2.75m. The ball hits the ground exactly after 0.70 seconds. Neglect air resistance.

*below the Horizontal equation: Vicos(theta)=Vix=Vfx

Viy=Vsin(theta) --> Y is NEGATIVE

Determine:

a) at what Velocity (in cm/s) did Hinata hit the ball?

b) how far from the net (in meters) did the ball land if he hit it 0.30m away from the net.

c) at what Velocity does the ball

hit the ground.

 

*pls answer with complete and systematic solution. 

-THREE decimal places all final answers

-DRAW a diagram with proper labels

-enclose all final answers with a box

 

Thank you po

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