The speed of sound varies according to the material through which it travels. Sound travels at 5.4 x 109 cm/s through rubber and at 1.97 x 10^ ft/s through granite. Calculate each of these speeds in
m/s.

Acalorimeter is to be calibrated: 51.203 g of water at 55.2 degree c is added to a calorimeter containing 49.783 g of water at 23.5c. after stirring and waiting for the system to equilibrate, the final temperature reached is 37.6 degree c. specific heat capacity of water (s = 4.18 j/g∙degree c). calculate the calorimeter constant. (smδt)warm water = -[(smδt)cold water + (calorimeterδtcold water)]