An airplane flies northward at 300km/h where a steady wind is blowing westwards at 80km/h. what is the actual direction of travel of the airplane over the ground​

In the image, the arrow is pointing to a celestial object. which attribute disqualifies the object from being a planet?

Is it possible to use the energy from two atoms colliding to create a clean burning lasting fuel source with a large amount of force? is it also possible to harness that energy from the two atoms colliding to create a clean energy source that will last for years from just two atoms colliding. is there a possibility to control and store that energy for years but slowly let the energy out enough to power cities cheaper and faster.

The step-down transformer gives a current of 10a at 24v if the primary voltage is 240v calculate the 1_primary current 2_the power input 3_the power output