4. Yuan has several test tubes of different liquids. If Yuan adds heat to the liquid substances, which of the following is most likely to occur? a. They will take up less space. b. They will become gases. c. They will decrease in temperature. d. They will become solids.​

Aclarinetist, setting out for a performance, grabs his 3.350 kg clarinet case (including the clarinet) from the top of the piano and carries it through the air with an upward force of 24.65 n. find the case's vertical acceleration. indicate an upward acceleration as positive and a downward one as negative.