A stone was kicked at an angle of 20.0° above the horizontal with initial speed of 11.0 m/s. Neglecting air resistance, what will be the total time (in seconds), the stone spend in air before reaching to its final position. (Assume g = 10 m/s-) A particle moves in a straight line. It starts from rest at a position x =+10 meters at time t = 0 seconds and accelerates uniformly at the rate of -2 m/s“ in the negatdirection At tume t=4 seconds, the particle starts traveling with a constant speed up to t= 7 seconds. WWhat is its position (in m) at t = 7 seconds?a8Oc 6Od. 40e 30

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A stone was kicked at an angle of 20.0° above the horizontal with initial speed of 11.0 m/s. Neglecting air resistance, what will be the total time (in seconds), the stone spend in air before reaching to its final position. (Assume g = 10 m/s-)

A stone was kicked at an angle of 20.0° above the horizontal with initial speed of 11.0 m/s. Neglecting air resistance, what will be the total time (in seconds), the stone spend in air before reaching to its final position. (Assume g = 10 m/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

Chapter3: Motion Along A Straight Line

Section: Chapter Questions

Problem 42P: An airplane, starting from rest, move down the runway at constant for 18 s and then takes off at 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

A particle moves in a straight line. It starts from rest at a position x =+10 meters at time t = 0 seconds and accelerates uniformly at the rate of -2 m/s“ in the negat
direction At tume t=4 seconds, the particle starts traveling with a constant speed up to t= 7 seconds. WWhat is its position (in m) at t = 7 seconds?
a8
Oc 6
Od. 40
e 30

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