A chief finds a glittering stone which he shows to the family assures him that the stone is pure gold but the doubts. Prepare a message of what you can do with the stone to give the chief and his family the best advice.

Athin, square metal plate measures 14 cm on each side and has emissivity of 0.60. the plate is heated to a temperature of 745°c. what is the rate at which the plate radiates energy ? the stefan-boltzmann constant is 5.67 × 10-8 w/(m2 ? k4). remember that the plate will radiate energy from both its top and bottom surfaces.

True or false: the cycle of seasons on the earth is caused by the tilt of the earth on its axis toward and away from the sun.

Which boundary is associated with the building of the himalaya mountains? convergent transform divergent hot spot