It takes 57 kj of energy to heat up a 200g metal block from 25°c to 363°c. find the specific heat capacity of the metal.

Awheelhas a radius of 4.8 m. howfar (path length) does a point on the circumference travel if thewheel is rotated through angles of 30°, 30 rad, and 30 rev, respectively?

Two polarizers are oriented at 70∘∘ to one another. unpolarized light falls on them. what fraction of the light intensity is transmitted?

Which type of basaltic lava flow has a fairly smooth