Problem 2 the james webb space telescope, the telescope that will replace the hubble, has a primary mirror that is concave with focal length with magnitude |f| = |131.4m|. what is the radius of curvature of the mirror with the correct sign? select one of the following: (a) 0m (b) +65.7m (c) −65.7m (d) +131.4m (e) −131.4m (f) +262.8m (g) −262.8m

asthenosphere and convection

adding a(n) to an electric circuit would increase the magnetic field around a wire;

b. solenoid

a solenoid is a type of electromagnet whose purpose is to generate a controlled magnetic field.

if the purpose of the solenoid is instead to impede changes in the electric current, a solenoid can be more specifically classified as an inductor rather than an electromagnet.

measuring things 1 litre of water