you walk up the aisle in a bus moving 10m/sec and a seated friend you are walking 1.5m/sec. another friend who just got off the bus standing there waving at you says you are moving 11.5m/sec.and the stalker friend riding his bike next to the bus say your speed is 0m/sec. which friend is right.
2 answers
both if they are measuring speed RELATIVE to them.
Julia rides her bike 10 km north with a constant speed of 12 kph and another 15 km north with a constant speed of 12 kph.
How long does the trip take?
What is her average speed?
What is her average velocity?
How long does the trip take?
What is her average speed?
What is her average velocity?