QUICK!! What class of leer is shown below? first class lever

second class lever

third class lever

fourth class lever

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

The combining of light nuclei is called blank. blank as in not actually blank. you know what im tryin to say.

Which type of reaction is shown in this energy diagram ?