Tony has a mass of 50 kg, and his friend sam has a mass of 45 kg. assume that both friends push off on their roller blades with the same force. explain which boy will have greater acceleration. tony will have greater acceleration for a given amount of force. sam will have greater acceleration due to greater mass. tony will have greater acceleration due to greater velocity. sam will have greater acceleration for a given amount of force.

Increasing the pressure on one spot of a fluid will increase the pressure everywhere else in the fluid a. pascals principal b. archimedes' principal c. bernoulli's principal

Listed following are various physical situations that describe how light interacts with matter. match these to the appropriate category. 1) transmission? -visible light meets clear glass -visible light does not pass through a black wall -red light hits a red sweatshirt -light comes from your computer screen -cell phone signals pass through walls -blue light hits a red sweatshirt -white light hits a white piece of paper -light comes from a light bulb

The largest observatory complex in the world is on mauna kea, the tallest mountain on earth. what are some factors astronomers consider when selecting an observatory site? don’t forget practical ones. should astronomers, for example, consider building an observatory on denali (mount mckinley) or mount everest?