How to Easily Locate the Accelerometer in an iPhone

How to Easily Locate the Accelerometer in an iPhone

Moving in a circle at a constant speed means there is indeed an acceleration.If we have an object moving in a circle, the acceleration is pointed towards the center of the circle and depends on two things: the angular velocity (ω) and the circular radius (r).

Blackmore's Lidar Solves Self-Driving Cars’ Need for Speed

Blackmore's Lidar Solves Self-Driving Cars’ Need for Speed

But you can only measure where something’s going, and how fast, if you manage to hit it again and again.Blackmore's lidar reads the velocity of the objects it detects: The things moving away from the vehicle are in red, those moving toward it are in blue.

Here's How Fast That Jumping Tesla Was Traveling

Here's How Fast That Jumping Tesla Was Traveling

Boom.Now for some questions.How fast was the car traveling?Normally when I need to find the velocity of an object in a video, I just use my typical video analysis techniques in which I mark the position of the object in each frame.