If a cup of coffee is at 90°C and a person with a body temperature of 36°C touches it, how will heat flow between them?
O from the hand to the cup
O from the cup to the hand
O from the cup to the surrounding air
Ofrom the hand to surrounding air

Name the element in group 17, period 2. (periodic table)

Astudent is trying to create a table that compares hypotheses, theories, and laws. hypothesis theory law do scientific researchers formulate it? yes yes yes does it explain why things happen? yes yes no yes yes yes is it used to make predictions? no yes yes which of the following questions would most likely fill the blank in the table? is it an intelligent guess? is it newly formulated? is it based on observations? has it been proved?

Avolleyball player hit a ball with a mass of 0.25 kg. the average acceleration of the ball is 15.5 m/s². how much force did the volleyball player apply to the ball? 62.0 n 3.87 n 62.0 m/s² 3.87 m/s²