- #1
crazyog
- 50
- 0
Homework Statement
What is the temperature in K of 1.0 kg of lead initially at 300 K after it falls 200 m? The specific heat of lead is 128 J/kg C.
a) 307 b) 311 c) 315 d)275 e) 279
the answer my teacher said was c but i keep getting a.
Homework Equations
I thought I would use mc (Tf-Ti) = mgy
The Attempt at a Solution
The masses cross out. so
(300)(delta T) = (9.8)(200)
I get delta T = 6.53
300 +6.53 = 306.53