What's the force of a pitching machine on a baseball baseballs pitched by a machine

Which description best characterizes the motion of particles in a solid?

Calculate the estimated density of each ball. use the formula d = m/v where d is the density, m is the mass, and v is the volume. record your calculations in table a of your student guide. given that the density of water is 1.0 g/cm3, make a prediction about whether each ball will float in water. record your prediction in table a. what is the estimated density of the table tennis ball? record your answer to the nearest hundredth

What must be in balance for temperatures to remain constant?