Hooke's law states that the force on a spring varies directly with the distance that it is stretched. if a spring has a k value of 100 newtons per meter and it is stretched 0.50 meters, what is the restoring force of the spring?

Gunpowder residue is most likely to show up where on a shooters hands

When a lead acid car battery is recharged by the alternator, it acts essentially as an electrolytic cell in which solid lead(ii) sulfate is reduced to lead at the cathode and oxidized to solid lead(ii) oxide at the anode. suppose a current of is fed into a car battery for seconds. calculate the mass of lead deposited on the cathode of the battery.

Abody covers a semicircle of radius 7cm in 5s .find its linear speed