A cannonball is fired horizontally from the top of a cliff at the same instant another cannonball is dropped vertically. Which one has the greater total velocity when it hits the level ground below?  It is impossible to tell from the information given.  the dropped cannonball  the fired cannonball  They will have the same final velocity.

University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter4: Motion In Two And Three Dimensions
Section: Chapter Questions
Problem 36P: An airplane flying horizontally with a speed of 500 km/h at a height of 800 m drops a crate of...
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A cannonball is fired horizontally from the top of a cliff at the same instant
another cannonball is dropped vertically. Which one has the greater total
velocity when it hits the level ground below?

 It is impossible to tell from the information given.
 the dropped cannonball
 the fired cannonball
 They will have the same final velocity.

 

In the Atwood machine described above, use your acceleration 1.09 m/s to find the
tension in the string. 
 13.1 N
 14.7 N
 17.1 N
 6.5 N

 

 

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