The work done on a machine, the product of the input force and the distance through which the force is exerted. A- Work, input
B- Work, output
C- Mechanical Advantage
D- Power

2pos suppose an object in free fall is dropped from a building. its starting velocity is 0 m/s. ignoring the effects of air resistance, what is the speed (in m/s) of the object after falling 3 seconds? give your answer as a positive decimal without units. answer here

How many moles of co2 are produced during the complete combustion of 3.6 moles of c2h6

Why dose heating increase the speed at which a solution dissolved in water