Dermani Dermani

15-02-2017
Mathematics

Answered

Austin takes 1 minute and 45 seconds to run three-quarters of a circular track. His rate of motion is /

radians per second.

NextReset

Verified Answer :

catrionac catrionac

15-02-2017

Length of circular track is:

L = 2rpi

He run 3/4 of it so length is:
L' = 32/4rpi = 3/2rpi

To calculate speed of his movement we use formula:
v = s/t where s = L' and t = 1 minute 45 seconds = 105 seconds

v = L'/t = 3rpi/2105

v = r* pi/70

If we take that r = 1

answer
\(\pi /70\)

Answer Link

Related Questions

when and why does your body use lactic fermentation

Which statement is true about a polyatomic ion It forms metallic bonds with other ions It forms covalent bonds with other ions It is made of atoms that are cova

The molecular formula for caffeine is C8H10N4O2 Which of the following elements is not found in caffeine

Convert 15C to F 9 31 59 164

A 1992 poll conducted by the University of Montana classified respondents by gender and political party as shown in the table below We wonder if there is an ass

Please help What Is 30 of 70 Show your work

What do all atoms of an element have in common What number can be different and allow the atom to still be the same element

What is the role of water in power generation

what is the difference between phylum and division

Write a repeating decimal as a fraction in simplest form

Web Analytics