A jet airliner moving initially at 915 mph (with respect to the ground) to the east moves
into a region where the wind is blowing at
319 mph in a direction 78° north of east.
What is the new speed of the aircraft with
respect to the ground?
Answer in units of mph

Why is alchemy not considered to be a science ?

Nacidified solution was electrolyzed using copper electrodes. a constant current of 1.18 a caused the anode to lose 0.584 g after 1.52 ✕ 103 s. given that the charge of an electron is 1.6022 ✕ 10−19 c, calculate avogadro's number. assume that copper is oxidized to cu2+ ions.

Which body part transports oxygen removes waste materials in carries nutrients to the body as part of the circulatory system