A brass bar has a length of 1.0 m when at 40 0 Celsius. How much stress in newton is needed to keep it at this length if the temperature is increased to 500 Celsius Constant for brass: Y = 100 gigameter Coefficient of expansion = 19 micrometers?

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

1. a camcorder has a power rating of 19 watts. if the output voltage from its battery is 7 volts, what current does it use?answer units 2. a 1.5m wire carries a 6 a current when a potential difference of 57 v is applied. what is the resistance of the wire? yourunits 3. a clothes dryer uses about 2 amps of current from a 240 volt line. how much power does it use? yourunits 4.

A0.750 kg aluminum pan is removed from the stove and plunged into a sink filled with 10.0 kg of water at 293 k. the water temperature quickly rises to 297 k. what was the initial temperature of the aluminum pan? the specific heat of aluminum is ca = 900 j/(kgk) and water is cw = 4190 j/(kgk)