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

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 52P: Mt. Asama, Japan, is an active volcano. In 2009, an eruption threw solid volcanic rocks that landed...

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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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