Small aircraft often have 24-V electrical systems rather than the 12-V systems inautomobiles, even though the electrical power requirements are roughly the same in bothapplications. The explanation given by aircraft designers is that a 24-V system weighs lessthan a 12-V system because thinner wires can be used. Explain why this is so.

Aria drove to the store, did some shopping, and then came home. during maria's trip, when was her displacement equal to zero?

Asolid cylinder and a cylindrical shell have the same mass, same radius, and turn on frictionless, horizontal axles. the cylindrical shell has light-weight spokes connecting the shell to the axle. a rope is wrapped around each cylinder and tied to blocks of equal masses that are held the same height above the ground. both blocks are released simultaneously. the ropes do not slip. which block hits the ground first? or is it a tie?

Why does lightning travel from clouds to the ground?