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Question and answer
Q: A car travels from Boston to Hartford in 4 hours. The two cities are 240 kilometers apart. What was the average speed of the car during the trip? A. 36 km/hour B. 4 km/hour C. 960 km/hour D. 60
km/hour
A: C. 60 km/hour
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Original conversation
User: The ratio of output power to input power, in percent, is called A. efficiency. B. work. C. conductivity. D. horsepower

User: If the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 s, what is the acceleration of the object? A. 33 m/s B. 13.58 m/s C. 2.75 m/s D. 5.42 m/s

User: A car travels from Boston to Hartford in 4 hours. The two cities are 240 kilometers apart. What was the average speed of the car during the trip? A. 36 km/hour B. 4 km/hour C. 960 km/hour D. 60 km/hour

Weegy: C. 60 km/hour
taben29|Points 777|

User: If a stone with an original velocity of 0 is falling from a ledge and takes 8 seconds to hit the ground, what is the final velocity of the stone? A. 78.4 m/s B. 156.8 m/s C. 42.6 m/s D. 39.2 m/s 16. According

Weegy: C. 78.4 m/s
japs2310qa|Points 1979|

User: According to Ptolemy's model of the movement of celestial bodies, A. planets orbit in circular paths around the earth. B. the sun is the center of the universe. C. the earth rotates around the moon. D. the earth rotates around the sun.

Weegy: According to Ptolemy's model of the movement of celestial bodies,: C. planets orbit in circular paths around the earth.
andrewpallarca|Points 25604|

User: A center-seeking force related to acceleration is _______ force. A. gravitational B. frictional C. centripetal D. centrifugal

Weegy: The answer is C. Centrifugal
jake09|Points 18|

User: If an object has a mass of 20 kg, what is the force of gravity acting on it on earth? A. 32.67 N B. 1.96 kg C. 2.04 kg D. 196 N

Weegy: The answer is 2.04 kg.




User: Within the metric system all units are based on the number A. 1. B. 100. C. 10. D. 1000.

User: A car with a mass of 1,200 kilograms is moving around a circular curve at a uniform velocity of 20 meters per second. The centripetal force on the car is 6,000 newtons. What is the radius of the curve? A. 80 meters B. 16 meters C. 32 meters D. 160 meters

Weegy: The radius of the curve is D. 80 meters.
yumdrea|Points 1251|

User: A tank with a flat bottom is filled with water to a height of 4 meters. What is the pressure at any point at the bottom of the tank? (You can ignore atmospheric pressure when calculating your answer.) A. 39.2 kPa B. 18.9 kPa C. 9.8 kPa D. 4.0 kPa

Weegy: A. 39.2 kPa
smp0784|Points 4142|

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Asked 9/20/2013 12:14:31 PM
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