A column of water exerts a pressure of 100. Pa and a force of 2.40 N. What is the cross-sectional area of a the column?

What conducts heat the be best?

Resistor A has twice the resistance of resistor B. When individually connected across a given potential difference, which one dissipates the most power;

The increase in the volume of 10cm³ of mecury when the temperature rises by 100°C is 0.8 cm³. What is the cubic expansivity of mecury?

A car moves with an average speed of 45 miles/hour. How long does the car take to travel 90 m A. 2 minutes B. 2 hours C. 45 minutes D. 45 hours E 90 minutes Reset Next

Sound waves can not travel through outer t space. True or false

A skydiver of mass m jumps from a hot air balloon and falls a distance d before reaching a terminal velocity of magnitude v. Assume that the magnitude of the acceleration due to gravity is g. a.

8. What happens to force when mass is increased?

Give an example of ionic and covalent bond, and explain and make an example for each.

Which of these is the best reason for proper nutrition? A. To ensure that you will be skinny B. To protect yourself against certain diseases C. To improve your intelligence D. To ensure that you will get good grades

And object has a mass of 15g it has a volume of 7.5ml. find the density of the object.