Physics: As part of an exercise program, a woman walks south at a speed of 2.8 m/s for 46 minutes. She then turns around and walks north a distance 3,132 m in 54 minutes . What is the woman s average speed in m/s during her entire motion

As part of an exercise program, a woman walks south

Ответ:

monae2116

16.07.2021

Physics

A_[avg}=1.81m/s

Explanation:

From the question we are told that:

North Movement

Velocity V=2.8

Time t=46 minuites

South movement

Distance d=3,132

Time t'= 54 minutes

Generally the equation for Average Velocity is mathematically given by

$A_[avg}\]frac{Total distance}{Total time}$

Where

Total distance d_t

$d_t=Souther\ distance\ traveled\ +Northern\ distance\ traveled$

d_t=(2.8*46*60)+(3132)

d_t=10860

Total Time

T=(46+54)60

T=6000

Therefore

$A_[avg}=\frac{d_t}{T}$

$A_[avg}=\frac{10860}{6000}$

A_[avg}=1.81m/s

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Ответ:

jaylon78

12.09.2021

Physics

SI units are interrelated in such a way that one unit is derived from other units without conversion factors. ... SI is used in most places around the world, so our use of it allows scientists from disparate regions to use a single standard in communicating scientific data without vocabulary confusion.

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As part of an exercise program, a woman walks south at a speed of 2.8 m/s for 46 minutes. She then turns around and walks north a distance 3,132 m in 54 minutes . What is the woman's average speed in m/s during her entire motion

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