Define average speed.

Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter3: Accelerated Motion
Section: Chapter Questions
Problem 94A
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Beautiful Day
Activity 1
Answer questions on average speed
Define average speed.
A number of athletes are competing in a 400 m race.
Calculate the average speed of a sprinter who completes a 400 m race in 53 s.
Is the sprinter's speed equal to the average speed during the entire race?
2.2
Give a reason to support your answer.
13 Calculate how long (time) it takes another sprinter to complete a 400 m
race with an average speed of 8,0 m.s-1.
Calculate how far a car travels in 30 s at 15 m.s-1.
A car travels for 12 s at 10 m.s-1 and then for 6 s at 15 m.s-'. Calculate
Answers to n
the average speed of the car.
questions in
given on pae
Average velocity
hust
differs from distance so velocity differs from speed.
Transcribed Image Text:Beautiful Day Activity 1 Answer questions on average speed Define average speed. A number of athletes are competing in a 400 m race. Calculate the average speed of a sprinter who completes a 400 m race in 53 s. Is the sprinter's speed equal to the average speed during the entire race? 2.2 Give a reason to support your answer. 13 Calculate how long (time) it takes another sprinter to complete a 400 m race with an average speed of 8,0 m.s-1. Calculate how far a car travels in 30 s at 15 m.s-1. A car travels for 12 s at 10 m.s-1 and then for 6 s at 15 m.s-'. Calculate Answers to n the average speed of the car. questions in given on pae Average velocity hust differs from distance so velocity differs from speed.
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