Can someone please help me with this?

Aplane flies directly between two cities, a and b, which are separated by . from a to b, the plane flies into a headwind. on the return trip from b to a, the wind velocity is unchanged. the trip from b to a takes less than the trip from a to b. what is the airspeed of the plane, assuming it is the same in both directions

How many times did thomas edison mess up the light bulb

Acalorimeter uses the principle that thermal energy flows from hotter material to colder material until both reach the same