A bee of mass 0.000087 kg sits on flower of mass 0.0123 kg. what is the total mass supported by the stem of the flower up to appropriate significant figures? a) 0.012387kg
b) 0.01239 kg
C) 0.0124 kg
D) 0.012 kg

Which of the following elements is in the same period as phosphorus? a. carbon c. nitrogen b. magnesium d. oxygen select the best answer from the choices provided a b c d

Aregion of space in which a measurable gravitational force is indicated by the force exerted on a test mass is called

Oxygen undergoes an isentropic expansion from 120 degree c and 280 kpa absolute to 140 kpa absolute. determine the final temperature of the oxygen and the amount of work per kg of o_2 produced in the process if it is adiabatic.