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

What was the goal of the league of nations

Free speech was not a part of life during the Qin Dynasty Please select the best answer from the choices provided T F

PreAlgebra Help Use the triangles shown to answer questions 13 blue and red congruent triangles name angles 1 Name one pair of congruent angles 1 point PQR and

What is the most common purpose for composition in art

The largest copper mines can be found in which of the following countries

Find the number of rooms per hour that Jake Lionel and Donald can paint working together if t is 6 hours

a triangular shaped body of water that forms where a stream in to the larger body of water is a

what is the answer to 8 11

What is the mode of Variable A

On average seawater in the world oceans has a salinity of about 35 about how much salt is there in 100g of seawater

Web Analytics