“if matthew rides south on his bicycle in a straight line for 23 mins (0.383 hr) with an average velocity of 17.5mph, how far has he ridden?

6.7miles due south

Explanation:

Given parameters:

Time  = 23min(0.383hr)

Average velocity  = 17.5mph

Unknown:

How far he has ridden  = ?

Solution:

To solve this problem,

      Displacement  = Velocity x time

 Displacement = 17.5 x 0.383  = 6.7miles due south

whichever one it is, it's definitely not one that you included on the list you provided.

what was the acceleration of the 2 kg cart?

⇒ 16.0 cm/s2

what was the acceleration of the 4 kg cart?

⇒ 8.1 cm/s2

what was the acceleration of the 6 kg cart?

⇒ 5.3 cm/s2