An object is thrown downward with an initial velocity of 3 feet per second. the relationship between the distance s it travels and time t is given by s = 3t + 16t2. how long does it take the object to fall 70 feet?

Heena wants to measure the volume of a ball that is 24 cm across. how should she set up her equation?

1. a net force of 100 newton’s is applied to a wagon for 5 seconds. this causes the wagon to undergo a change in momentum of

Total solidification times of three casting geometries are to be compared: a sphere, a cylinder, in which the length-to-diameter ration - 1.0, and a cube. volume = 1000 cm^3 for all three shhapes, and the same casting alloy is used. a) determine the solidification times of each geometry b) based on the results of part (a), which geometric element would make the best riser? c) if the mold constant = 3.5 min/cm^2 in chvorinov's rule, compute the total solidification time for each casting.