What is the difference between fitness activities and team sports? Provide an example for both reasons.

How would doubling the made of an object change the objects potential energy

An ideal polarizer with its transmission axis rotated 30 degrees to the vertical is placed in a beam of unpolarized light of intensity 10w/m^2. after passing through the polarizer, what is the intensity of the beam? a. 8.7 w/m^2 b. 7.5 w/m^2 c. 5.0 w/m^2 d. 10 w/m^2 e. 2.5 w/m^2

What is the orbital period of a spacecraft in a low orbit near the surface of mars? the radius of mars is 3.4×106m.