My dog stood 0m from my door, then decided to run off and ended up 30m west from my door after 6s. What was their average velocity?

Assume similar data for the motion of the blood in your aorta. estimate how many beats of the heart it will take the blood to get from your heart to your brain. (assume that the distance from your heart to your brain is 30 cm)

A100 kg running back runs at 5m/s into a stationary linebacker. it takes 0.5 for the running back to be completely stopped

When the magnetic domains in a material can be aligned, but eventually drift out of alignment, the material is