Air at 200 c blows over a 50 cm x 75 cm plain carbon steel (aisi 1010) hot plate with a constant surface temperature of 2500c. the convection heat transfer coefficient is 25 w/m2k. assume that 300 w is lost from the surface by radiation. calculate the inside plate temperature

Gravity is pulling an object into the sun. the closer the object gets to the sun, the greater the gravitational force that acts on the object, increasing its acceleration. a line graph plotting the speed of the object against time would have which shape? a: straight line of positive slope b: curved line that slopes upward c: curved line that slopes downward d: straight line of negative slope