2 kg of iron at an initial temperature of 1200C is placed into 4 kg of water at an initial temperature of 300C.
What is the final temperature of the mixture when
thermal equilibrium is reached?
[Specific heat capacity of water = 4 200 J kg 1 oc 1
and specific heat capacity of iron = 450 J kg I OC-II​

In a load, the load is paralel to the shaft. n a. angular n b. thrust n c radial n d. none of the above

What is the fate of the electrons that interact with a specimen in an electron microscope?

Ajet plane has a sound level of 120 db at a distance of 60 m. what is the q23. sound level at a distance of 6.0 km? (60)2 (6000)? om solution 80db db, hint: 16x assume ultrasound waves travel through the body of an animal at 1540 q24. m/s. if a 30,000 hz signal were reflected off a portion of a heart which was moving toward the source at 3 m/s, what frequency signal would return to the stationary source? solution 30.117hz