The purpose of an experiment is to determine the effect of the mass of a cart upon its acceleration when the forces acting upon it are held constant. What is the independent variable in this experiment?

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.

Acar travels 40m in 8 seconds find the car speed

Which is an example of an exothermic process?