A 34-kg child on an 18-kg swing set swings back and forth through small angles
If the length of the very light supporting cables for the swing is how long does it take for each complete back-and-forth swing? Assume that the child and swing set are very small compared to the length of the cables. A) 4.4 s
B) 4.8 s
C) 5.3 s
D) 5.7 s
A
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The sedimentary rock known as ______________ consists of rounded pebbles cemented together by silica, calcium carbonate, or iron oxide
Fill in the blank(s) with correct word
A certain ideal gas has a molar specific heat at constant volume 7R/2. What is its molar specific heat at constant pressure?
A) 5R/2 B) 3R/2 C) 8R D) 9R/2 E) 6R
The elements that we are all made of are common everywhere in the observable Universe
a. True b. False Indicate whether the statement is true or false
A rod has a length 2.00000 m at 10.0°C. The length of the rod increases to 2.00060 m when the temperature increases to 30.0°C. What is the coefficient of linear expansion of the material from which the rod is made?
A) 2.0 × 10-5/K B) 2.5 × 10-5/K C) 1.5 × 10-5/K D) 1.0 × 10-3/K E) 1.0 × 10-5/K