Retrieving information is the same as intentional learning. true false

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

Which simple machine is not part of this compound machine? a. lever b. pulley c. inclined plane d. wheel and axle

What are atoms of the same element with varying number of neutrons