speed&velocity Flashcards
1
Q
what is speed?
A
how fast you’re going with no regard to direction
2
Q
what is velocity?
A
speed in a given direction
3
Q
is speed a scalar or vector?
A
scalar
4
Q
is velocity a scalar or vector?
A
vector
5
Q
what does a vector quantity have?
A
a magnitude and direction
6
Q
what does a scalar quantity have?
A
magnitude and no direction
7
Q
how can objects travel at a constant speed but with a changing velocity?
A
the object is changing direction whilst staying at the same speed
8
Q
if an object moving in a circle at a constant speed how much is the velocity changing?
A
the object has a constantly changing velocity
9
Q
what is the formula to work out speed?
A
speed= distance➗time
Speed Is Distance Over Time
