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leonid [27]
2 years ago
6

The equation y = 2x + 3 represents the cost y (in dollars) of mailing a package that weighs x pounds.

Physics
1 answer:
White raven [17]2 years ago
6 0

Answer:

what is your question though

Explanation:

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Speed is scalar and velocity is vector. Vector values imply direction as well as magnitude. Therefore, speed and velocity are not the same. The speeds of these 2 planes are the same at 300km/hr, but the velocity of the plane traveling north is +300km/hr while the velocity of the plane traveling south is -300km/hr if we define north as positive and south as negative.

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2 years ago
Samples of different materials, A and B, have the same mass, but the sample
Effectus [21]

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B. The particles that make up material B have more mass than the

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3 years ago
A skateboarder has an acceleration of −1.9 m/s2. If her initial speed is 6 m/s, how long does it take her to stop?
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You said that she's losing 1.9 m/s of her speed every second.

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to lose all of her initial speed, and stop.
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yKpoI14uk [10]
Frequency = 1/time period = 1/0.05 = 20s^-1. 
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A softball has a (positive/negative) acceleration when it is thrown. A soft ball has a (positive/negative) acceleration when it
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