Author Question: If 40 kcal of heat is added to 2.0 kg of water, what is the resulting temperature change? A) 80C ... (Read 212 times)

armygirl · **on:** Jul 27, 2018

If 40 kcal of heat is added to 2.0 kg of water, what is the resulting temperature change?

A) 80C
B) 60C
C) 40C
D) 20C
E) 0.05C

Question 2

A 55-cm brass rod has a diameter of 30 cm. The compressive strength of steel is 250 106 N/m2. What is the compression force that would break the rod?

A) 1.8 107 N
B) 2.4 107 N
C) 1.4 108 N
D) 2.4 108 N
E) 4.5 108 N