The specific heat of mercury is 140 J/kg K. Its heat of vaporization is 2.06 x 105 J/kg. How much heat is needed to heat 1.0 kg of mercury metal
from 10.00 C to its boiling point and vaporize it completely? The boiling
point of mercury is 3570 C.

A. 49,000 J
B. 260,000 J
C. 310,000 J
D. 360,000 J

When a 5.0kg cart undergoes a 2.2m/s increase in speed, what is the impulse of the cart

What type of relationship exists between the length of a wire and the resistance, if all other factors remain the same? o a. resistance is directly related to length. ob. resistance is directly related to the square of the length. c. resistance is inversely related to the length. d. resistance is inversely related to the square of the length. reset next

Astone is dropped from a cliff and falls 9.44 meters. what is the speed of the stone when it reaches the ground? a. 13.6 m/sec b. 1.39 m/sec c. 185 m/sec d. 9.80 m/sec