An airplane flies between two points on the ground that are 500 km apart. The destination is directly north of the origination of the flight
The plane flies with an air speed of 120 m/s. If a constant wind blows at 10.0 m/s due west during the flight, what direction must the plane fly relative to north to arrive at the destination?
A) 4.78° east of north
B) 4.76° east of north
C) 85.2° west of north
D) 4.78° west of north
E) 4.76° west of north
Answer: A
You might also like to view...
Kepler's Third Law of planetary motion states that
A) the further a planet is from the Sun, the faster it moves in its orbit B) an imaginary line joining the Sun and planet sweeps out equal areas in equal times C) the further a planet is from the Sun, the slower it moves in its orbit D) the orbits of planets are ellipses
The increase in the amount of carbon dioxide in the atmosphere is contributing to the greenhouse effect
a. True b. False Indicate whether the statement is true or false
One number has three significant figures and another number has four significant figures. If these numbers are added, subtracted, multiplied, or divided, which operation can produce the greatest number of significant figures?
a. the addition b. the subtraction c. the multiplication d. the division e. All the operations result in the same number of significant figures.
The instruction manual for a hot-wire anemometer states that ‘roughly speaking, the current varies as the one-fourth power of the average velocity at a fixed wire resistance’. Check this statement, using the heat transfer characteristics of thin wire in air and water.
GIVEN • A thin current carrying wire in an air or water stream FIND • Show that the current (I) varies as the one-fourth power of the fluid velocity (V?) at a fixed resistance (ReI) ASSUMPTIONS • Radiative heat transfer is negligible