Aman on the moon with a mass of 90 kilograms weighs 146 newtons. the radius of the moon is 1.74 x 106 meters, find the mass of the moon.
a) 7.36 x 10^(28) kg
b) 2.4 x 10^(10) kg
c) 7.36 x 10^(22) kg
d) 1.43 x 10^(4) kg

The slope of a velocity time graph over any interval of time gives the during that interval

Avolcano erupts next to a grassland area in a valley. a. describe three ways in which material released by the volcano could impact the grassland area. b. describe three ways in which the grassland ecosystem could recover after a volcanic eruption.

The flame produced by the burner of a gas (propane) grill is a pale blue color when enough air mixes with the propane (c3h8) to burn it completely. for every gram of propane that flows through the burner, what volume of air is needed to burn it completely? assume that the temperature of the burner is 195.0°c, the pressure is 1.05 atm, and the mole fraction of o2 in air is 0.210.