A 100-g cube of ice is heated from ?120°C to +120°C. In which of the following processes is the greatest amount of energy absorbed by this material?
a. warming ice to the melting point
b. melting the ice to become water
c. warming the resulting water
d. vaporizing the water to become steam
e. heating the steam
d
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A boat is traveling at 4.0 m/s as it passes the starting line of a race. If the boat accelerates at 1.0 
for 6.0 seconds, then the average velocity of the boat for the 6.0 seconds is
A. 21 m/s. B. 9.0 m/s. C. 13 m/s. D. 10 m/s. E. 7.0 m/s.
In the Milankovitch theory, the elliptical shape of the Earth's orbit, its axis tilt, and axis precession vary with time. These combined at times to create ____ on Earth
a. day and night b. seasonal temperature variations c. daily temperature variations d. ice ages e. the constellations
The coefficient of volume expansion of olive oil is 0.68 × 10-3 K-1. A 1.00-L glass beaker is filled to the brim with olive oil at room temperature. The beaker is placed on a range and the temperature of the oil and beaker increases by 25 C°
As a result, 0.0167 L of olive oil spill over the top of the beaker. What is the coefficient of linear expansion of the glass? A) 1.0 × 10-6 K-1 B) 2.0 × 10-5 K-1 C) 4.0 × 10-6 K-1 D) 3.0 × 10-5 K-1 E) 1.0 × 10-5 K-1
Resolution: A camera with a 20-cm diameter lens is recording images using a filter that allows only light of wavelength 600 nm to pass through.(a) What is the limit on the angular resolution (in microradians) in this case?(b) What is the diameter of the minimum-sized features that could be resolved on Mars with this camera? The distance to Mars at the time is 9.0 × 107 km.
What will be an ideal response?