physics true or false?

P

Pookey

New member
a. velocity and speed are the same thing
b. speed is a measure of how fast something is moving
c. the speedometer of your car measures instantaneous speed
d. two cars with the same velocity must have the same speed
e. motion is relative
f. your car's brake pedal can be used to change your car's velocity

i got true, true, true, false, false, true.. but not sure..
 
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