A projectile is launched with an initial speed of 45.0 m/s at an angle of 31.0° above the horizontal. The projectile lands on a hillside 3.50 s later. Neglect air friction. (Assume that the +x-axis is to the right and the +y-axis is up along the page.) (a) What is the projectile's velocity at the highest point of its trajectory? magnitude m/s direction ° counterclockwise from the +x-axis (b) What is the straight-line distance from where the projectile was launched to where it hits its target? m
A projectile is launched with an initial speed of 45.0 m/s at an angle of 31.0° above the horizontal. The projectile lands on a hillside 3.50 s later. Neglect air friction. (Assume that the +x-axis is to the right and the +y-axis is up along the page.) (a) What is the projectile's velocity at the highest point of its trajectory? magnitude m/s direction ° counterclockwise from the +x-axis (b) What is the straight-line distance from where the projectile was launched to where it hits its target? m
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter3: Motion In Two Dimensions
Section: Chapter Questions
Problem 16P: A firefighter, a distance d from a burning building, directs a stream of water from a fire hose at...
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A projectile is launched with an initial speed of 45.0 m/s at an angle of 31.0° above the horizontal. The projectile lands on a hillside 3.50 s later. Neglect air friction. (Assume that the +x-axis is to the right and the +y-axis is up along the page.)
(a) What is the projectile's velocity at the highest point of its trajectory?
(b) What is the straight-line distance from where the projectile was launched to where it hits its target?
m
magnitude | m/s |
direction | ° counterclockwise from the +x-axis |
(b) What is the straight-line distance from where the projectile was launched to where it hits its target?
m
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