If two hot-air balloons are filled at the same time, but one filled with warm air and one is filled with hot air, which balloon will wise higher? Please explain thank you! :)) ​

Which articulations allow for greatest range of motion?

A0.580-kg rock is tied to the end of a string and is swung in a circle with a radius of 0.500 meters. the velocity of the rock is 4.50 m/s. what is the centripetal force acting on the rock? 15.5 n 5.22 n 69.8 n 23.5 n

Which of the following is the phase that results when the moon is on the opposite side of the earth from the sun? a. quarter moon b. crescent moon c. new moon d. full moon