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Question and answer
Q: 1. A car that increases its speed from 20 km/h to 100 km/h undergoes ____________________ acceleration.
A: A car that increases its speed from 20 km/h to 100 km/h undergoes 'positive' acceleration.
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User: 1. A car that increases its speed from 20 km/h to 100 km/h undergoes ____________________ acceleration.

Weegy: A car that increases its speed from 20 km/h to 100 km/h undergoes 'positive' acceleration.
sujaysen|Points 2819|

User: It usually takes more force to start an object sliding than it does to keep an object sliding because static friction is usually ____________________ than sliding friction.

Weegy: static friction is usually greater than sliding friction.
koaley|Points 6237|

User: In a closed system, the loss of momentum of one object ____________________ the gain in momentum of another object

Weegy: In a closed system, the loss of momentum of one object is Equal To the gain in momentum of another object.
sunny4691|Points 957|

User: The universal force that is effective over the longest distances is ____________________.

Weegy: The universal force that is effective over the longest distance is gravitational force.
Angela30|Points 13|

User: As an object’s temperature increases, the ____________________ at which it radiates energy increases.

Weegy: rate; how is energy "radiated" from the following- a heated piece of platinum metal; a fluorescent light; an incadescent light; the human body As an object?s temperature increases, [ the rate at which it radiates energy increase. ]
Sting|Points 697|

User: When a person plucks a guitar string, the number of half wavelengths that fit into the length of the string determines the ____________________ of the sound produced

Weegy: Answer: pitch Ref:
bellepepper|Points 45|

User: The law of reflection states that the angle of reflection is equal to the angle of ____________________.

Weegy: The angle of reflection is equal to the angle of incidence.
pi728|Points 10|

User: The region where a magnet's force is strongest is at the_________________________.

Weegy: The region where a magnet's force is strongest is at its poles.
wiwit|Points 688|

User: The magnetic field lines of a bar magnet begin near the magnet’s ____________________.

User: The energy source used to produce most of the electrical energy in the United States is ____________________.

User: dentify two types of nuclear reactions in which the equation E = mc2 applies.

Weegy: Fission and Fusion
Polio123|Points 357|

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Asked 11/3/2012 2:28:47 PM
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