A car travels from P to Q at 36kph and returns from Q to P at 24kph. The distance between P and Q is 5 miles. Find the average speed, in mph.

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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4. A
A car travels from P to Q at 36kph and returns from Q to P at 24kph. The distance between P and
Q is 5 miles. Find the average speed, in mph.
18.6411
30
17.8955
28.8
4. B
A 5kg purse is dropped from the top of the Leaning Tower of Pisa and it traveled for 4.07 seconds
before reaching a speed of 27m/s. What was the average force of air resistance?
15.8805N
82.2195N
6.3655N
15.5088N
Transcribed Image Text:4. A A car travels from P to Q at 36kph and returns from Q to P at 24kph. The distance between P and Q is 5 miles. Find the average speed, in mph. 18.6411 30 17.8955 28.8 4. B A 5kg purse is dropped from the top of the Leaning Tower of Pisa and it traveled for 4.07 seconds before reaching a speed of 27m/s. What was the average force of air resistance? 15.8805N 82.2195N 6.3655N 15.5088N
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