If an airplane were flying west at 100 km/hr and encountered a strong gale blowing east at 100 km/hr, what would be the plane's velocity relative to the ground? ***by the way, theres no picture***

Zeros that follow non-zeros numbers and are also to the right of a decimal point are significant

In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final

What causes the formation of ocean currents?