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Mandarinka [93]

1 year ago

5

Where should be the best fit line be drawn on a scatterplot?

1 answer:

eimsori [14]1 year ago

8 0

A line of best fit is a straight line drawn through the most points on a scatter plot, with an equal number of points above and below the line. It is used to investigate the nature of the relationship between two variables. The correct option is d.

<h3>What is line of best fit?</h3>

A straight line with the best fit is one that minimizes the distance between it and some data.

In a scatter plot of varying data points, the line of best fit is used to express a relationship. It is a result of regression analysis and can be used to forecast indicators and price movements.

It is important to note that your line does not need to pass through any of the points on the plot; it only needs to bisect the area that contains the data points.

Thus, none of the options are correct, the correct one is d.

For more details regarding line of best fit, visit:

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What type of telescope did Galileo use to observe Jupiter?

mihalych1998 [28]

Answer:

a refractor telescope

Explanation:

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3 years ago

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What is the magnetic field strength required to make a proton with a speed of 5.0 x 10^(5) m/s follow a circular path of radius

Nuetrik [128]

Answer:

Magnetic field strength required for this is 0.25 T

Explanation:

As we know that the proton moves in circular path in uniform magnetic field

so the radius of the path of the circle is given as

$R = \frac{mv}{qB}$

here we know that

$q = 1.6 \times 10^{-19}C$

$m = 1.6 \times 10^{-27} kg$

$R = 0.0200 m$

$v = 5 \times 10^5 m/s$

now we have

$B = \frac{1.6 \times 10^{-27} (5 \times 10^5)}{(1.6 \times 10^{-19})(0.02)}$

so we have

$B = 0.25 T$

8 0

4 years ago

How does moon changes position every day?

photoshop1234 [79]

It moves relative to the stars

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4 years ago

You apply a 150 N push on a frictionless sled over a period of 2 seconds. Show that the sled’s momentum changes by 300 kg·m/s.

Savatey [412]

Explanation:

Given parameters:

Force applied = 150N

Time = 2s

Unknown:

Momentum change = ?

Solution:

The momentum change of a body is the difference between its initial and final momentum.

Momentum is the same as the impulse exerted on a body which is the product of force and time

Momentum = mass x velocity = force x time

The body initially at rest has a momentum of 0, as the momentum changes;

Momentum change = Final momentum - initial momentum

= f x t - (0)

= (150 x 2) - 0

Momentum change = 300kgm/s

Since the body is a frictionless surface, the net force is the same as the applied force.

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8 0

3 years ago

What is the acceleration of an object that takes 20 sec to change from a speed of 200 m/s to 300 m/s ?

marin [14]

<u>Given</u><u>:</u>

initial velocity, u = 200 m/s

Final velocity, v = 300 m/s

Time taken, t = 20 sec

<u>To</u><u> </u><u>be</u><u> </u><u>calculated</u><u>:</u>

Calculate the acceleration of given object ?

<u>Formula</u><u> </u><u>used</u><u>:</u>

Acceleration = v - u / t

<u>Solution</u><u>:</u>

We know that,

Acceleration = v - u / t

☆ Substituting the values in the above formula,we get

Acceleration ⇒ 300 - 200 / 20

⇒ 100/20

⇒ 5 m/s²

5 0

4 years ago