1. Which of the following quantities are scalars, and which are vectors? a. the acceleration of a plane as it takes off
b. the number of passengers on the plane
c. the duration of the flight
d. the displacement of the flight
e. the amount of fuel required for the flight

Asystematic approach to problem solving is called a (an)

Uppose we consider the system of the three capacitors as a single "equivalent" capacitor. given the charges of the three individual capacitors calculated in the previous part, find the total charge qtot for this equivalent capacitor. express your answer in terms of v and c.

Aplayground merry-go-round has a radius of 4.6 m and a moment of inertia of 200 kg-m2 and turns with negligible friction about a vertical axle through its center. a child applies a 26.0 n force tangentially to the edge of the merry-go-round for 15.0 seconds. if the merry-go-round is initially at rest, how much work did the child do on the merry-go-round?