Specific heat capacity of ice = 2,000 J/kg-°C latent heat of fusion of water = 334,000 J/kg specific heat capacity of water = 4,000 J/kg-°C The 1 kg block of ice melts into water. The amount of heat absorbed by the ice as it melts is
a. 2,000 J
b. 4,000 J
c. 20,000 J
d. 40,000 J
e. 334,000 J
E
You might also like to view...
The magnitude scale
a. originated just after the telescope was invented. b. can be used to indicate the apparent intensity of a celestial object. c. was devised by Galileo. d. is no longer used today. e. was used to determine the rate of precession.
When adding several quantities, the number of decimal places in the result must always be
A) larger than the number of decimal places in the most accurate of the quantities. B) equal to the number of decimal places in the most accurate of the quantities. C) equal to the average number of significant digits in the most and least accurate of the quantities. D) equal to the number of decimal places in the least accurate of the quantities. E) smaller than the number of decimal places in the least accurate of the quantities.
Three small objects are positioned as follows: the 2.0-kg object at (0.0 m, 0.0 m), the 2.0-kg object at (2.0 m, 0.0 m), and the 4.0-kg object at (2.0 m, 1.0 m). Determine the coordinates of the center of mass of this system
A) (0.50 m, 1.5 m) B) (1.5 m, 0.50 m) C) (2.5 m, 1.5 m) D) (2.5 m, 0.50 m)
An unknown particle in an accelerator moving at a speed of 1.50 × 10^8 m/s has a measured total energy of 3.30 × 10^?9 J. What is its mass? (c = 3.00 × 10^8 m/s)
a. 4.23E–26 kg b. 9.17E–27 kg c. 7.78E–26 kg d. 3.18E–26 kg e. 3.67E–26 kg