Question
Joseph jogs from one end "A" to another end
"B"of a straight road in 300 metre in 2 minutes 50 seconds and then turns around and jogs 100 metre back to point"c"in another 1 minute.What is the Joseph'S average speed and velocity from
"A"to"B"
"A"to"c"
"B"of a straight road in 300 metre in 2 minutes 50 seconds and then turns around and jogs 100 metre back to point"c"in another 1 minute.What is the Joseph'S average speed and velocity from
"A"to"B"
"A"to"c"
Answers
A to B
speed = 300m/170 seconds
velocity = speed if that direction is +
then A to C
distance = 300 + 100 = 400
average speed = 400/230
but total displacement = +300 - 100 = 200
so'=average velocity = 200/230
speed = 300m/170 seconds
velocity = speed if that direction is +
then A to C
distance = 300 + 100 = 400
average speed = 400/230
but total displacement = +300 - 100 = 200
so'=average velocity = 200/230
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