A body accelerates uniformly from rest at 2ms² for 5 seconds . calculate its average velocity in this time.​

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

Chemical energy is a form of energy. a. heat b. kinetic c. potential d. electromagnetic

In a good thermo flask the main cause of heat loss is