PLEASE HELP ME!! DIMENSIONAL ANALYSIS
CHEMISTRY
DUE IN 5 MINS!!!

PLEASE HELP ME!! DIMENSIONAL ANALYSISCHEMISTRYDUE IN 5 MINS!!!

Answers

Answer 1

Answer:

12 mi/h

Explanation:

Step 1: Given data

Total distance (d): 6 kmTime elapsed (t): 19 min

Step 2: Convert "d" to miles

We will use the conversion factor 1 mi = 1.60934 km.

6 km × 1 mi/1.60934 km = 3.7 mi

Step 3: Convert "t" to hours

We will use the conversion factor 1 h = 60 min.

19 min × 1 h/60 min = 0.32 h

Step 4: Calculate the average speed of the runner (s)

The speed is equal to the quotient between the total distance and the time elapsed.

s = d/t

s = 3.7 mi/0.32 h = 12 mi/h


Related Questions

name the two criteria that is used to determine if a substance is pure or not​

Answers

Answer:

Melting and Boiling Point Determination

The physical properties of a substance can be used to establish its purity. These properties include the melting point and boiling point. Different substances tend to have different melting and boiling points, and any pure substance will have a specific melting and boiling point.

neptune has an average distance to the sun of 30.06 au in two or more complete sentences explain how to calculate the orbital period of neptune ​

Answers

Answer:

As per Kepler's law we know that

\frac{T_1^2}{T_2^2} = \frac{R_1^3}{R_2^3}T22T12=R23R13

as we know that for earth the time period is 1 year and its distance is 1 AUnow from above formula we can saylet the time period of Neptune is T and its distance is given as R = 30.06 AUnow we will have\frac{1^2}{T^2} = \frac{1^3}{30.06^3}T212=30.06313by rearranging the above equation we haveT^2 = (30.06)^3T2=(30.06)3T = 164.8 yearsT=164.8years

so it will have time period of 164.8 years

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