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2 years ago

What is the difference between the parts of the plot with positive slope and the parts with negative slope?

1 answer:

8 0

The difference between the parts of the plot with positive slope and the parts with negative slope can be found below.

<h3>What is a slope?</h3>

A slope in a graph is the ratio of the vertical and horizontal distances between two points on a line. Slope shows both steepness and direction of values.

A slope can either be positive or negative depending on the relationship between the variables being plotted.

A positive slope means that the variable are directly related while the negative slope means that two variables are negatively related.

A positive slope further means that the line moves upward when going from left to right on the graph while with the negative slope, the line moves down when going from left to right.

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Determine the farthest away a car can be at night so that your eyes can resolve the two headlights. Assume that the the diameter

Zigmanuir [339]

Answer:

The farthest distance is $L_{max}=11.48 km$

Explanation:

The angular resolution is mathematically represented as

$\theta = \frac{Z}{L} = \frac{1.22 \lambda}{d}$

Where Z is the distance between the car head lamp with a value Z = 1.4 m

L is the distance between the eye and the car

$\lambda$ is the wavelength with a value 500 nm = $= 500 *10^{-9}m$

d is the diameter of the eye with a value d = 0.50 cm = $= \frac{0.50}{100} = 0.005m$

The maximum distance $L_{max}$ is given as

$L_{max} = \frac{(1.4) *0.005}{1.22 * (500 *10^{-9})}$

$= 11.48*10^{3}m$

$=11.48 km$

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8 0

4 years ago

two identical springs of spring constant 7580 N/m are attached to a block of mass 0.245 kg. What is the frequency of oscillation

ad-work [718]

The frequency of oscillation on the frictionless floor is 28 Hz.

<h3>Frequency of the simple harmonic motion</h3>

The frequency of the oscillation is calculated as follows;

f = (1/2π)(√k/m)

where;

k is the spring constant
m is mass of the block

f = (1/2π)(√7580/0.245)

f = 28 Hz

Thus, the frequency of oscillation on the frictionless floor is 28 Hz.

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3 0

2 years ago

If two charged objects in a laboratory are brought to a distance of 0.22 meters away from each other. What is

zysi [14]

Answer:

$q_2=2.47\times 10^{-4}\ C$

Explanation:

The charge on one object, $q_1=9.9\times 10^{-5}\ C$

The distance between the charges, r = 0.22 m

The force between the charges, F = 4,550 N

Let q₂ is the charge on the other sphere. The electrostatic force between two charges is given by the formula as follows :

$F=\dfrac{kq_1q_2}{r^2}\\\\q_2=\dfrac{Fr^2}{kq_1}\\\\q_2=\dfrac{4550\times (0.22) ^2}{9\times 10^9\times 9.9\times 10^{-5}}\\\\q_2=2.47\times 10^{-4}\ C$

So, the charge on the other sphere is $2.47\times 10^{-4}\ C$ .

7 0

3 years ago

How long would it take for 1.50 mol of water at 100.0 ∘c to be converted completely into steam if heat were added at a constant

Liula [17]

The total heat that is needed by the water to get converted to steam is calculated below through the equation,

H = (Hv)(n)

where H is the heat, Hv is the heat of vaporization (40.67 kJ/mol), and n is the number of mols. Substituting the known values,

H = (40.66 kJ/mol)(1.5 mol) = 60.99 kJ

Calculating for the time,

t = (60990 J) / (24 J/s)
t = 2541.25 s

Answer: 2541.25 s or approximately 42.35 minutes

3 0

3 years ago

Read 2 more answers

Electrospray ionization mass spectroscopy often results in analyte molecules fragmenting.

guajiro [1.7K]

Electrospray ionization mass spectroscopy often results in analyte molecules fragmenting

FALSE

<u>Electrospray ionization mass spectroscopy</u>

It is a technique using electrospray to generate ions for mass spectrometry by applying high voltage to the liquid.

Electrospray ionization is a soft ionization technique.

It is used for production of gas phase ions.

The process of Electrospray ionization mass spectroscopy

1. dispersal of a fine spray charge droplets

2. solvent evaporation

3. ion ejection from highly charged droplets

To know more about Electrospray ionization mass spectroscopy

brainly.com/question/4348492

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5 0

2 years ago