High-impact polystyrene is a copolymer of polystyrene and _________ rubber.

Fill in the blank(s) with the appropriate word(s).


butadiene or polybutadiene or Buna-S

Physics & Space Science

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If you change the magnetic field inside a closed loop of wire, you induce in the loop

A. all of these B. a current C. a voltage D. an electric field

Physics & Space Science

The energy released when an atom takes an electron is called

a. internal energy b. dissociation energy c. binding energy d. electron affinity e. ionization energy

Physics & Space Science

Under steady state conditions, a piece of wood 350 mm by 350 mm and 15 mm thick conducts heat through its thickness and loses no appreciable heat through its well-insulated sides

The rate of heat flow is measured to be 14.0 W when the temperature difference across its thickness is 28°C. Determine the thermal conductivity of this wood. A) 9.2 × 10-4 W/(m ? °C) B) 270 W/(m ? °C) C) 16 W/(m ? °C) D) 0.061 W/(m ? °C) E) 33 W/(m ? °C)

Physics & Space Science

The upward force exerted by a fluid on an object immersed in it is called __________

Fill in the blank(s) with correct word

Physics & Space Science