Figure 2.31 shows how the velocity of four cars changed as they travelled along a straight road. Give reasone for your answers to these questions:
A, which car was travelling at steady speed?
B, which car was decelerating?
C, which car had the greatest acceleration?
3 answers
(A) Which car was trabelling at steady speed
none
1 B
2, D
3, A
2, D
3, A