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course phy 201
6/21 3
ProblemHow far will an object move in 9 seconds if it is moving at a constant speed of 3 meters/second?
3 m * 9 seconds = 27m
The object will move 27 meters in 9 seconds.
Problem
Over a period of 4.147 seconds, the average rate at which the position of an object changes is 8.327 meters per second. How far will the object move during this time?
8.327 m * 4.147 seconds= 32.532 meters
The object will move 32.532 m.
Problem
How far will an object move in 2.7894 seconds if it is moving at a constant speed of .000415 meters/second?
.000415 * 2.7894 = .001157601
The object will move .001157601 m in 2.7894 seconds.
Problem
How long does it take an object moving at 5 meters/second to move 30 meters?
30/5=6
It takes an object 6 seconds to move 30 meters if moving at 5 m per second,
Problem
An object moving at 4 meters/second needs to move 1.2 meters. How long will it take?
1.2/4=.3
It will take the object .3 seconds
Problem
What is the average velocityof an object that moves 72 meters in 9 seconds?
72/9=8
8 meters per second.
Problem
An object moves 4.376 meters. What is its average velocity if the motion requires 20.06396 seconds?
4.376/20.06396=.218103
The velocity is about .218103 meters per second.
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