Author Question: If you wanted to know how much the temperature of a particular piece of material would rise when a ... (Read 53 times)

naturalchemist · **on:** Jul 29, 2018

If you wanted to know how much the temperature of a particular piece of material would rise when a known amount of heat was added to it, which of the following would be most helpful to know?

A) Initial temperature
B) Specific heat
C) Density
D) Coefficient of linear expansion
E) Thermal conductivity

Question 2

An atomic nucleus has a charge of +40e. What is the magnitude of the electric field at a distance of 1.0 m from the center of the nucleus?

(k = 1/40 = 8.99 109 N m2/C2, e = 1.60 10-19 C)
A) 5.4 10-8 N/C
B) 5.6 10-8 N/C
C) 5.8 10-8 N/C
D) 6.0 10-8 N/C
E) 6.2 10-8 N/C