B) The man has a mass of 85 kg. Gravitational field strength = 9.8 N/kg. Calculate the weight of the man. Use the equation: weight = mass x
gravitational field strength

Suppose you increase your walking speed from 7 m/s to 13 m/s in a period of 2 s. what is your acceleration?

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

Four objects each with charge +2.0×10−7c are located at the corners of a square whose sides are 2.0 m long. part a what quantities can be determined using this information? check all that apply. the electric force on a charged object placed at the center of the square. the mass of each object. the total electric potential energy of the system consisting of the four charged objects. part b find the electric force on a charged object placed at the center of the square.