Which of the following materials is not cross-linked?
(a) Rubber
(b) Epoxy
(c) UHMWPE
(d) Polyester
(c) UHMWPE
Physics & Space Science
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Which of the following statements describes a neutral solution?
A) [H3O+] > [OH-] B) [H3O+] < [OH-] C) [H3O+] × [OH-] ? 1 × 10-14 D) [H3O+]/[OH-] = 1 × 10-14 E) [H3O+]/[OH-] = 1
Physics & Space Science
An example of a diverging spherical mirror is
a. a bathroom mirror. b. a round Christmas tree ornament. c. a flashlight reflector. d. none of these.
Physics & Space Science
4.0 J of work are performed in stretching a spring with a spring constant of 2500 N/m. How much is the spring stretched?
A) 3.2 cm B) 3.2 m C) 0.3 cm D) 5.7 m E) 5.7 cm
Physics & Space Science
A box is dropped onto a conveyor belt moving at 2 m/s. If the coefficient of friction between the box and the belt is 0.3, how long before the box moves without slipping?
Physics & Space Science