1. A cannonball is fired from a cannon and follows a parabolic path as a projectile. Is there any point along its path where the velocity and acceleration vectors are perpendicular to each other? Is there any point along its path where the velocity and acceleration vector are parallel to each other? Explain. 2. If the average velocity of an object over a given time interval is zero, what can be said about the distance travelled by the object during that time interval? Explain. 3. After walhing 18 hm [N 35° E1, you find yourself 6 hm [N 50° W] of a barn. Where were you relative to the barn before you began your walh ?
1. A cannonball is fired from a cannon and follows a parabolic path as a projectile. Is there any point along its path where the velocity and acceleration vectors are perpendicular to each other? Is there any point along its path where the velocity and acceleration vector are parallel to each other? Explain. 2. If the average velocity of an object over a given time interval is zero, what can be said about the distance travelled by the object during that time interval? Explain. 3. After walhing 18 hm [N 35° E1, you find yourself 6 hm [N 50° W] of a barn. Where were you relative to the barn before you began your walh ?
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter7: Rotational Motion And Gravitation
Section: Chapter Questions
Problem 12CQ: A child is practicing for a BMX race. His speed remains constant as he goes counterclockwise around...
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