in cars one battery terminal is connected to the metal body how does this allow a single wire to supply current to electrical devices rather than two wires ​

Sunidhi made a study chart about changes in states of matter. which headings best complete the chart?

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

If a 2 ounce coin is dropped from the top of the washington monument and has a final velocity of 300 mph (miles per hour) when it hits the ground, how much kinetic energy will it have at that time?