What is the minimum power (in watts) requirement of a fan which increases the velocity of air to 9.12 m/s at a rate of 3.45 m3/s. The density of air is 1.259 kg/m3. (Take g

11. you want to calculate the displacement of an object thrown over a bridge. using -10 m/s2 for acceleration due to gravity, what would be the total displacement of the object if it took 8 seconds before hitting the water?

Which of the following are used in an electrochemical cell? a. electrodes b. electrolyte c. terminals d. all of the above

Could we see a galaxy that is 20 billion light-years away?