A hollow cylinder and a solid cylinder are constructed so they have the same mass and radius. Which cylinder has the larger moment of inertia?
What will be an ideal response?
the hollow cylinder
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Answer the following statement true (T) or false (F)
150 g of liquid nitrogen at its boiling point of 77.0 K is stirred into a beaker containing 510 g of 18.0°C water. If the nitrogen leaves the solution as soon as it turns to gas, how much water freezes? The heat of vaporization of nitrogen is 48.0 cal/g and that of water is 80.0 cal/g
a. none b. 21 g c. 42 g d. 11 g e. 63 g
Two-Source Interference of Sound: Two in-phase loudspeakers that emit sound with the same frequency are placed along a wall and are separated by a distance of 5.00 m. A person is standing 12.0 m away from the wall, equidistant from the loudspeakers. When the person moves 1.00 m parallel to the wall, she experiences destructive interference for the first time. What is the frequency of the sound? The speed of sound in air is 343 m/s.
A. 211 Hz B. 256 Hz C. 422 Hz D. 512 Hz E. 674 Hz
What is 34 + ( 3 ) × (1.2465 ) written with the correct number of significant figures?
A) 37.7 B) 37.74 C) 4 × 101 D) 38 E) 37.7395