Answered: 4. A ball is thrown horizontally from…

4. A ball is thrown horizontally from the rooftop of a 150m- high building. If the ball landed 17.5m from the base of the building, what is the initial velocity of the ball?

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter3: Two-dimensional Kinematics

Section: Chapter Questions

Problem 56PE: A football quarterback is moving straight backward at a speed of 2.00 m/s when he throws a pass to a...

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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

4.
A ball is thrown horizontally from the rooftop of a
150m- high building. If the
ball landed 17,5m from the base of the building, what
is the initial velocity
of the ball?

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