A ball is launched horizontally with an initial speed of V. The launcher is at a height of 120cm. The horizontal distance travelled by the ball is 160cm. Find the initial speed, V of the ball Select one: а. 32.6m/s b. 0.326m/s None of these answers O d. 5.7m/s е. 3.2m/s

A ball is launched horizontally with an initial speed of V. The launcher is at a height of 120cm. The horizontal distance travelled by the ball is 160cm. Find the initial speed, V of the ball Select one: а. 32.6m/s b. 0.326m/s None of these answers O d. 5.7m/s е. 3.2m/s

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 7WUE: A skier leaves the end of a horizontal ski jump at 22.0 m/s and falls through a vertical distance of...

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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.

Question

A ball is launched horizontally with an initial
speed of V. The launcher is at a height of
120cm. The horizontal distance travelled by
the ball is 160cm. Find the initial speed, V of
the ball
Select one:
O a.
32.6m/s
b.
0.326m/s
O c.
None of these answers
O d.
5.7m/s
O e.
3.2m/s

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