What is the distance (in feet) indicated by adjacent contour lines? How is a difference of 100 ft indicated on the map?
The distance between contour lines is usually 20 ft. The 100-ft differences are
indicated by a heavier line.
You might also like to view...
A figure skater is spinning slowly with arms outstretched. She brings her arms in close to her body and her moment of inertia decreases by 1/2. Her angular speed increases by a factor of
A) 2. B) 4. C) . D) 1 E) 1/2.
A body is oscillating up and down at the end of a spring. Let's consider when the body is at the top of its up-and-down motion.The displacement vector from the equilibrium position
a. is zero. b. has its largest magnitude. c. points up. d. points down.
Where do we find our Sun on the H-R diagram?
A) near the middle of the main sequence B) at the far upper left of the main sequence C) with the red giants D) at the far lower right of the main sequence E) with the white dwarfs
An amusement ride consists of a car moving in a vertical circle on the end of a rigid boom. The radius of the circle is 10 m. The combined weight of the car and riders is 5.0 kN. At the top of the circle the car has a speed of 5.0 m/s which is not changing at that instant. What is the force of the boom on the car at the top of the circle?
a. 3.7 kN down b. 1.3 kN down c. 6.3 kN up d. 3.7 kN up e. 5.2 kN down