Transport: On the Move

what is speed?

speed is the distance travelled by an object in one second
what is the average speed of an object?

is the average for the whole journey
what is instantaneous speed of an object?

its speed at one particular point during the journey
when measuring speed using a stopclock why is it less accurate than when measuring with an electronic timer?

because of human reaction time
which of these will change during a journey: instantaneous speed or average speed?

instantaneous speed
what is the acceleration of a vehicle?

how much its speed changes each second
what is acceleration measured in?

m/s/s

Author

crobertsonx

86565

Card Set

Transport: On the Move

Description

Transport: Section 1- On the Move

Updated

2011-05-18T14:17:50Z