performing a sufficient number of trials allows you to be more confident that your results are correct and it helps you distinguish between real results and those that resulted from experimental

Two friends are having a conversation. anna says a satellite in orbit is in freefall because the satellite keeps falling toward earth. tom says a satellite in orbit is not in freefall because the acceleration due to gravity is not 9.80 m/2 . who do you agree with and why?

Waves that cause the most damage during an earthquake are a. surface waves c. s waves b. p waves d. ocean waves

An object weighs 40n in air, weighs 20n when submerged in water and 30n when submerged in a liquid of unknown density. what is the density of the liquid?