A shopping cart moves from a point 3.0m west of a flagpole to a point 18.0m east of the flagpole in 2.5s. Find its average velocity.

•• al and bert are jogging side-by-side on a trail in the woods at a speed of 0.75 m/s. suddenly al sees the end of the trail 35 m ahead and decides to speed up to reach it. he accelerates at a constant rate of 0.50 m/s2, while bert continues on at a constant speed. (a) how long does it take al to reach the end of the trail? (b) once he reaches the end of the trail, he immediately turns around and heads back along the trail with a constant speed of 0.85 m/s. how long does it take him to meet up with bert? (c) how far are they from the end of the trail when they meet?

Heena wants to measure the volume of a ball that is 24 cm across. how should she set up her equation?

Explain vector addition, triangle method and parallelogram method