Answer:
It helps us to know or be aware of some things that happen regular and teaches us about laws that guide us
The dog’s speed is
A) 0.61 m/s
Answer:
No, there wasn't any variation in the light intensity at 360 degrees.
During the rotation, rotating through an angle of 90° gradually brought the intensity to a maximum. Rotating by another 90° degrees brought the intensity to a minimum at some point. Rotating by another 90° brought it back to its maximum and then another 90° brought it to its initial intensity.
