Which is a characteristic of Jovian planets when compared to Terrestrial planets?
a. Jovian planets are much larger than Terrestrial planets
b. Jovian planets have rocky surfaces
c. Jovian planets have no differentiation like Terrestrial planets
d. Jovian planets have moons, unlike the Terrestrial planets
e. Jovian planets have warmer atmospheres than Terrestrial planets.
a
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A wheel rotates about a fixed axis with a constant angular acceleration of 4.0 rad/s2 . The diameter of the wheel is 40 cm. What is the linear speed of a point on the rim of this wheel at an instant when that point has a total linear acceleration with a magnitude of 1.2 m/s2?
a. 39 cm/s b. 42 cm/s c. 45 cm/s d. 35 cm/s e. 53 cm/s
A 125 g pendulum bob hung on a string of length 35 cm has the same period as when the bob is hung from a spring and caused to oscillate. What is the spring’s elastic constant?
A. 1.9 N/m B. 3.5 N/m C. 5.2 N/m D. 27 N/m
A 400-g piece of metal at 100°C is dropped into a 100-g aluminum cup containing 500 g of water at 15°C. The final temperature of the system is 40°C
What is the specific heat of the metal, assuming no heat is exchanged with the surroundings? The specific heat of aluminum is 900 J/(kg?K) A) 1900 J/(kg?K) B) 2270 J/(kg?K) C) 3300 J/(kg?K) D) 3800 J/(kg?K) E) 4280 J/(kg?K)
The density of copper at 293 K is 
and its linear expansion coefficient is
Consider a hot cube of copper that is 1.0cm on a side when its temperature is 1356 K. What is the cube’s mass?
A. 8.80 g B. 8.46 g C. 8.78 g D. 8.38 g E. 8.94 g