One hundred and fifty joules of heat are added to 75 g of a material whose specific heat is 1.25 J/g Co. If the material’s initial temperature was 43oC, what is its final temperature?

The energy of a photon was found to be 3.38 × 10–19 j. planck’s constant is 6.63 × 10–34 j • s. which color of light corresponds to this photon?

A0.580-kg rock is tied to the end of a string and is swung in a circle with a radius of 0.500 meters. the velocity of the rock is 4.50 m/s. what is the centripetal force acting on the rock? 15.5 n 5.22 n 69.8 n 23.5 n

For waves in the ocean, the medium of the waves is a. air b. water c. energy d. a passing boat