What happens to the actin and myosin during a muscle contraction

Iron (3) oxide will decompose in the presence of hydrogen gas and heater to produced iron and digydrogen monoxide white a balanced chemical equation

How to convert 76.6kg to pounds ? ? need asap

Acar parked on level pavement exerts a force of 10,000 newtons on the ground. what force does the pavement exert back on the car? (f = ma, g = 9.81 m/s2)