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13. The metric unit of force is the A. kilogram. B. newton. C. nanometer. D. gram
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Asked 4/12/2018 11:13:15 AM
Updated 121 days ago|8/3/2020 9:18:31 AM
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User: 13. The metric unit of force is the A. kilogram. B. newton. C. nanometer. D. gram

Weegy: The metric unit of force is N (newton).
Score .9919

User: 16. Within the metric system all units are based on the number A. 100. B. 1. C. 1000. D. 10

Weegy: Within the metric system units are based on the number 10.
Expert answered|Score 1|williamtech814|Points 50|

User: 17. In a practical machine, the power output is _______ the power input. A. smaller than B. multiplied by C. equal to D. larger than

Weegy: In a practical machine, the power output is smaller than the power input.
Expert answered|Score .9353|erikalui|Points 1787|

User: 18. The orbits of planets being elliptical was one the planetary laws developed by A. Brahe. B. Copernicus. C. Kepler. D. Ptolemy.

Weegy: The orbits of planets being elliptical was one the planetary laws developed by Kepler.
Score .9946

User: 19. 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. 160 meters B. 80 meters C. 32 meters D. 16 meters

Question
Asked 4/12/2018 11:13:15 AM
Updated 121 days ago|8/3/2020 9:18:31 AM
1 Answer/Comment
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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. The radius of the curve is 80 meter.
Solution: cf = mv^2/r, 6000 = 1200*400/r
r = 80 meters.
Added 121 days ago|8/3/2020 9:18:31 AM
This answer has been confirmed as correct and helpful.
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Questions asked by the same visitor
9. 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. 156.8 m/s B. 42.6 m/s C. 78.4 m/s D. 39.2 m/s
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Not Answered
Updated 136 days ago|7/18/2020 10:18:36 PM
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If a stone with an original velocity of 0 is falling from a ledge and takes 8 seconds to hit the ground, the final velocity of the stone is 78.4 m/s.

Solution: v = gt v = (9.81 m/s^2)(8s) v = 78.4 m/s.
Added 136 days ago|7/18/2020 10:18:36 PM
This answer has been confirmed as correct and helpful.
In which of the following units is acceleration expressed? A. Newtons B. Meters per second squared C. Kilograms D. Foot-pounds
Weegy: Acceleration is expressed in - meters per second squared. User: 12. A stone falls from a ledge and takes 8 seconds to hit the ground. The stone has an original velocity of 0 m/s. How tall is the ledge? A. 1,254.4 meters B. 78.4 meters C. 313.6 meters D. 39.2 meters (More)
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Updated 170 days ago|6/14/2020 11:45:11 PM
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22. An object has a mass of 120 kg on the moon. What is the force of gravity acting on the object on the moon? A. 1,176 N B. 196 N C. 20 N D. 12.24 N
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Not Answered
Updated 6/16/2019 1:22:58 AM
1 Answer/Comment
An object has a mass of 120 kg on the Moon. The force of gravity acting on the object on the Moon is 196 N.

Solution:
Weight = (mass) x (acceleration of gravity) .
Acceleration of gravity on the moon is 1.622 m/s² (rounded) .
Weight of the object = (120 kg) x (1.622 m/s²) = 196 Newtons.
Added 6/16/2019 1:22:58 AM
This answer has been confirmed as correct and helpful.
22. An object has a mass of 120 kg on the moon. What is the force of gravity acting on the object on the moon? A. 1,176 N B. 196 N C. 20 N D. 12.24 N
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Not Answered
Updated 201 days ago|5/15/2020 7:32:00 AM
1 Answer/Comment
An object has a mass of 120 kg on the moon. the force of gravity acting on the object on the moon is 196N.

Force = mass *acc, Force = 120 * 9.8 /6 = 196N.
Added 201 days ago|5/15/2020 7:32:00 AM
This answer has been confirmed as correct and helpful.
25. Which of the following is the term used to describe a body's resistance to a change in motion? A. Inertia B. Mass C. Acceleration D. Gravity
Weegy: INERTIA is the term used to describe a body's resistance to a change in motion. (More)
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Updated 4/12/2018 1:31:11 PM
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