Nylon is a polyamide; Dacron is a(n) ______________
Fill in the blank(s) with correct word
polyester
You might also like to view...
Adding a secondary concave lens of carefully chosen different glass to the primary lens on a refractor allows
A) chromatic aberration to be reduced. B) more light to be gathered. C) greater magnification. D) X-rays to be focused. E) effects of atmospheric turbulence to be reduced.
Potential Energy: Point charges +4.00 ?C and +2.00 ?C are placed at the opposite corners of a rectangle as shown in the figure. If these charges are released and are free to move with no friction, what is the maximum amount of kinetic energy they will gain? (k = 1/4??0 = 8.99 × 109 N ? m2/C2) 
Fill in the blank(s) with the appropriate word(s).
A window for viewing fish in the local aquarium is square and measures 0.8 m × 0.8 m. Its center is 12. m below the surface. What is the total force on the window?
What will be an ideal response?
As of the time of the publication of the textbook, how many planets have been discovered using the Doppler method?
A) 700 B) 7000 C) 70 D) 7