A salt of KCl, potassium chloride, is dissolved in a beaker of an unknown solution. It is less soluble in the unknown solution than it is
in a beaker of water at the same temperature. What explains the lack of solubility in the beaker of unknown solution?

22. the effect of threshold braking is to a cause skids. b. lock wheels. c. prevent locking of wheels. d. increase stopping distance.

Ablock having mass m slides down an inclined plane. the force of friction between the block and the inclined plane is f, the block's weight is m g, and the normal force is n. (a) draw a free – body force diagram showing the forces acting on the block. (b) write down all relevant newton’s equations for a given situation.

What is the kinetic energy of a baseball moving at a speed of 40 m/s if the baseball has mass of 0.15 kg?