Question text
1 A car accelerates at 5.0m/s2 along a straight, horizontal road and reaches a velocity of 20m/s in a time of 4.0s. During this time, its total displacement is 40m. Which quantity is a scalar? A a displacement of 40m B a time of 4.0s C a velocity of 20m/s D an acceleration of 5.0m/s2
1 A car accelerates at 5.0m/s2 along a straight, horizontal road and reaches a velocity of 20m/s in
a time of 4.0s.
During this time, its total displacement is 40m.
Which quantity is a scalar?
A a displacement of 40m
B a time of 4.0s
C a velocity of 20m/s
D an acceleration of 5.0m/s2
Select your answer: