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3 years ago

6. For the following graph what can you conclude about the force applied to cause the object’s motion? Explain your reasoning

Physics

2 answers:

Alina [70]3 years ago

8 0

Answer:

Explanation:

6) I can't read graph A, but I will assume it is similar to graph B. The graph represents the position of an object with respect to time. The slope of this graph represents the velocity of the object. Since the graph is a straight line, the slope of the graph is constant and also the velocity of the object is constant. If the velocity is not changing the force on the object must be zero.

7) I can't see the data table but I will assume it is similar to example (6). In that case, the slope of the graph would represent the speed of the sound.

RSB [31]3 years ago

3 0

Answer:

For each second the position increased by 10 m

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Answer:

Explanation:

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4 years ago

At the beach in San Francisco (0 meters) the pressure of the atmosphere is 101.325 kPa

Korvikt [17]

Answer:

$P = -\frac{17978}{1609344}(h)+101.325$

Explanation:

Given

$h = height$

$P = Pressure$

$(h_1,P_1) = (0,101.325)$

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Required

Determine the linear equation for P in terms of h

First, we calculate the slope/rate (m);

The following formula is used:

$m = \frac{P_2 - P_1}{h_2 - h_1}$

Substitute values for P's and h's

$m = \frac{83.347 - 101.325}{1609.344- 0}$

$m = \frac{-17.978}{1609.344}$

$m = -\frac{17.978}{1609.344}$

Multiply by 1000/1000

$m = -\frac{17.978 * 1000}{1609.344*1000}$

$m = -\frac{17978}{1609344}$

The equation is then calculated using:

$P - P_1 = m(h - h_1)$

Substitute values for m, h1 and P1

$P - P_1 = m(h - h_1)$

$P - 101.325 = -\frac{17978}{1609344}(h - 0)$

$P - 101.325 = -\frac{17978}{1609344}(h)$

Make P the subject

$P = -\frac{17978}{1609344}(h)+101.325$

<em>The above is the required linear equation</em>

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Answer:

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Explanation:

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