Чемпионат

Acceleration

Motion is the action of changing location or position used in Physics (as opposed to movement in ordinary speech). One often has to deal with this term in reality.

First, you need to learn some basic terms. You probably know about position, distance and time. Use the link to watch a video lesson and find out what displacement, velocity and acceleration are.

Video


Now, let’s solve some related problems.

1. A racecar starts from rest and speeds up uniformly to the right until it reaches a maximum velocity of 60 m/s in 15 seconds.


What is the acceleration of the racecar?
Answer using a coordinate system where rightward is positive.
_____ m/s2