At which temperature in water does sound travel the fastest?
A. 15°C
B. 20°C
C. 18°C
D. 25°C

25+25 = 50

Expert answered|EffyJ14|Points 1|

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Asked 7/25/2011 4:23:26 PM

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Which of the following is inversely proportional to the gravitational force between two masses?
A. The mass of each object.
B. The velocities of each object.
C. The distance between each object.
D. The distance between each object squared.
**Weegy:** The correct answer is C. The distance between each object. (More)

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Asked 7/18/2011 7:23:04 AM

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Three asteroids have exactly the same amount of mass. The distance from asteroid A to asteroid B is 300 km, the distance from asteroid B to C is 400 km, and the distance from C to A is 100 km. Between which two asteroids would the gravitational force be the largest?
**Weegy:** Two prominent theories of extinction are climate change and an asteroid hitting the Earth. **User:** Three identical satellites, X, Y, and Z are in outer space. The distance from satellite X to Y is 450 km, the distance from Y to Z is 600 km, and the distance from satellite Z to X is 450 km. Between which satellites will the force of gravity be the greatest?
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Asked 7/18/2011 7:57:51 AM

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Three identical satellites, X, Y, and Z are in outer space. The distance from satellite X to Y is 450 km, the distance from Y to Z is 600 km, and the distance from satellite Z to X is 450 km. Between which satellites will the force of gravity be the greatest?
**Weegy:** how can i help you? **User:** Three identical satellites, X, Y, and Z are in outer space. The distance from satellite X to Y is 450 km, the distance from Y to Z is 600 km, and the distance from satellite Z to X is 450 km. Between which satellites will the force of gravity be the greatest?
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Asked 7/18/2011 8:00:36 AM

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Newton's first law states that an object traveling with a constant velocity will remain traveling at a constant velocity unless an unbalanced force acts. What can you conclude about an object traveling at terminal velocity based on Newton's first law?
A. An object's terminal velocity will equal zero.
B. An object traveling at terminal velocity will accelerate.
C. The forces on an object traveling at terminal velocity are balanced.
D. There is an unbalanced force acting on an ...**Weegy:** The answer is C. The forces on an object traveling at terminal velocity are balanced. (More)

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Asked 7/18/2011 8:09:38 AM

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How does a parachute change the terminal velocity of a skydiver?
A. It will increase her terminal velocity.
B. It will decrease her terminal velocity.
C. It will reduce her terminal velocity to zero.
D. It will change the direction of her terminal velocity.
**Weegy:** B. It will decrease her terminal velocity. (More)

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Asked 7/18/2011 8:14:27 AM

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