Examlex
A plane flies directly between two cities, A and B, which are separated by 2300 mi. From A to B, the plane flies into a 65 mi/h headwind. On the return trip from B to A, the wind velocity is unchanged. The trip from B to A takes 65 min less than the trip from A to B. What is the airspeed of the plane, assuming it is the same in both directions?
Q12: In a section of horizontal pipe with
Q13: A ball is tossed vertically upward. When
Q15: A 120-kg refrigerator, 2.00 m tall and
Q21: A stalled car is being pushed up
Q29: How much energy is needed to change
Q29: An object moves in a circle of
Q57: Which of the following is a correct
Q116: In a case study, people typically are
Q136: In Dr. Arnold's developmental psychology class, she
Q138: Which of the following statements is true