Thế nào là chuyển động tròn đều ? cho ví dụ

Now that the first three steps have been explained, identify the next three steps, in order. calculate the magnitude of r sum vector components calculate a and b magnitudes calculate the direction of r, calculate x,y components step 4 step 5 step 6

Why do electron microscopes have higher resolving power than light microscopes?

What is the acceleration of a spaceship that is initially at rest and then speeds up to 220 m/s in 20 seconds