Two airplanes leave an airport at the same

time. The velocity of the first airplane is

650 m/h at a heading of 60.5

◦

. The velocity

of the second is 560 m/h at a heading of 85◦

.

How far apart are they after 2.9 h?

An inductor connects to an AC circuit. If the frequency of the AC oscillations decreases, does the inductance increase, decrease, or remain constant?

Can the law of momentum conservation ever be violated? (A) No (B) Yes, if there are more than two particles (C) Yes, when the forces between the particles are varying in time (D) Yes, if the two particles stick together after a collision

A woman exerts a horizontal force of 10 pounds on a box as she pushes it up a ramp that is 4 feet long and inclined at an angle of 30 degrees above the horizontal. Find the work done on the box.

Which type of energy transformation does NOT describe potential energy being changed into kinetic energy? A) Compressing a spring. B) A ball falling off a shelf. C) A bike coasting down a hill. D) Releasing a stretched rubber band.

What is the first semiconductor

A solid spherical insulator has radius r = 2.5 cm, and carries a total positive charge q = 8 * 10-10 c distributed uniformly throughout its volume. find the magnitude of the electric field |e| at a radius of 5 cm from the origin (i. e.

What are some things cyclists do to reduce friction?

What is used to find true north on a compass? a. equator c. magnetic declination b. prime meridian d. cardinal directions

How does the sun's heat affect the humidity of a place

Which "spheres" are interacting when water evaporates from plants