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Questions (10)
A 300lb car is moving at constant velocity onn a level concrete road. How much force is needed to keep it moving if the u=0.04
1 answer
1,765 views
a 1240 kg automobile stops in a distance of 41m. if initial velocity was 22.5m/s, what force did the road exert on the car to
2 answers
398 views
A 300g lead is heated to 95celsius and is then dropped into 100g of water at 10celsius. If the final temperature is 15celsius.
0 answers
437 views
A 500g copper at 100celsius is placed in a 200g water at 25celsius which is contained in an aluminum calorimeter that has a mass
0 answers
861 views
A 300g lead is heated to 95celsius and is then dropped into 100g of water at 10celsius. If the final temperature is 15celsius.
2 answers
556 views
A steam boiler is made of steel and weighs 900lb. The boiler contains 400lb of water. How many Btu are required to raise the
0 answers
606 views
How much heat does 25g aluminum give off as it cools from 95celsius to 30celsius?
1 answer
453 views
How much heat is needed to raise the temperature of 0.800kg ethyl alcohol from 15celsius to its boiling point at 78.3celsius?
0 answers
599 views
How many calories are required to heat 100grams of copper from 10celsius to 100celsius? The specific heat of copper is
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682 views
How much heat is needed to raise the temperature of 2kg of water to 10K?
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388 views
Answers (1)
A 500g copper at 100celsius is placed in a 200g water at 25celsius which is contained in an aluminum calorimeter that has a mass of 400g. If the final temperature of the whole system is 30celsius, find the specific heat of the lead.
