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kotykmax [81]
4 years ago
12

What derived unit is used to measure the slope of the line in this graph?

Physics
1 answer:
Alexxx [7]4 years ago
5 0

Answer:

g/cm³

Explanation:

From the question given above,

The y-axis is representing mass (g)

The x-axis is representing volume (cm³)

Unit of slope =?

Slope of a graph is simply defined as the change in y-axis divided by the change in x-axis. Mathematically it is expressed as:

Slope = change in y-axis (Δy)/change in x-axis (Δx)

Slope = Δy/Δx

Thus, with the above formula, we can obtain the unit used for measuring the slope as follow:

y-axis = mass (g)

x-axis = volume (cm³)

Slope =.?

Slope = Δy/Δx

Slope = mass (g) /volume (cm³)

Slope = g/cm³

Therefore, the derive unit used for measuring the slope is g/cm³

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Three displacements through a hedge maze. (b) The displacement vectors. (c) The first displacement vector and its components. (d
Vlad1618 [11]

Answer:

18.3 m , 25.4°

Explanation:

d1 = 6 m, θ1 = 40°

d2 = 8 m, θ2 = 30°

d3 = 5 m, θ3 = 0°

Write the displacements in the vector form

d_{1}=6\left ( Cos40\widehat{i}+Sin40\widehat{j} \right )=4.6\widehat{i}+3.86\widehat{j}

d_{2}=8\left ( Cos30\widehat{i}+Sin30\widehat{j} \right )=6.93\widehat{i}+4\widehat{j}

d_{3}=5\widehat{i}

The total displacement is given by

\overrightarrow{d}=\overrightarrow{d_{1}}+\overrightarrow{d_{2}}+\overrightarrow{d_{3}}

d=\left ( 4.6+6.93+5 \right )\widehat{i}+\left ( 3.86+4 \right )\widehat{j}

d=16.53\widehat{i}+7.86\widehat{j}

magnitude of resultant displacement is given by

d ={\sqrt{16.53^{2}+7.86^{2}}}=18.3 m

d = 18.3 m

Let θ be the angle of resultant displacement with + x axis

tan\theta =\frac{7.86}{16.53}=0.4755

θ = 25.4°

8 0
3 years ago
A car has positive acceleration. What information can you infer from this? A- The car is changing direction. B- The car is speed
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Answer:

answe is b

Explanation:

A positive acceleration is defined as change of velocity upwards the direction that the object has taken. Therefore, a car having a positive acceleration means that the car is speeding up in the same direction as it traveling.

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4 years ago
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Answer:
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Explanation:
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