A box is pushed from rest and attains a velocity of 27 m/s in 3 seconds. Find the acceleration.

What is hidden during a lunar eclipse? isn't the moon hidden?

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)

Why don't you see your reflection in water with waves or repples