Answered: From a height of 11.0 m an object is…

From a height of 11.0 m an object is sent directly downward with an initial velocity of 1.2 m/s. Determine how long the object stays in the air before touching the ground below.

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter2: Kinematics

Section: Chapter Questions

Problem 52PE: An object is dropped from a height of 75.0 m above ground level. (a) Determine the distance traveled...

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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

From a height of 11.0 m an object is sent directly downward with an initial velocity of 1.2 m/s.
Determine how long the object stays in the air before touching the ground below.
1.38 s
1.20 s
1.86 s
○ 1.00 s

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Step 3: Calculation of time taken by obejct to hit tha ground level.

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