3. A projectile is launched off of a 25.0 m high cliff with an initial velocity of 15.0 m/s in a direction that makes a 35.0° angle with the horizontal. a) What distance in the x-direction from its initial location does the object travel in reaching the ground below? b) What is the velocity of the object as it reaches the ground below (magnitude and direction)?

3. A projectile is launched off of a 25.0 m high cliff with an initial velocity of 15.0 m/s in a direction that makes a 35.0° angle with the horizontal. a) What distance in the x-direction from its initial location does the object travel in reaching the ground below? b) What is the velocity of the object as it reaches the ground below (magnitude and direction)?

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter3: Vectors And Two-Dimensional Motion

Section: Chapter Questions

Problem 33P: A projectile is launched with an initial speed of 60.0 m/s at an angle of 30.0 above the horizontal....

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Concept explainers

Relative Velocity

It is a measurement of an object with regards to the other object which is moving or stable or stationary. For example, if we are traveling in a bus and the bus is moving at speed of 50km/hr, then our speed is according to the nearby passenger on the bus is zero. According to them, we are not moving. But if one person standing on the ground or road observes us from outside of the bus, according to him we are moving at a speed of 50km/hr and the bus is also moving at a speed of 50km/hr. Now, the motion is recognized by the observer, it depends on a frame of reference or observer. This is motion called relative motion.

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3. A projectile is launched off of a 25.0 m high cliff with an initial velocity of 15.0 m/s in a
direction that makes a 35.0° angle with the horizontal.
a) What distance in the x-direction from its initial location does the object travel in reaching the
ground below?
b) What is the velocity of the object as it reaches the ground below (magnitude and direction)?

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