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3 years ago

PLEASE HELP ASAP!!! CORRECT ANSWER ONLY PLEASE!!!

Physics

2 answers:

Ivenika [448]3 years ago

6 0

The trend line(BEST FIT LINE)

fiasKO [112]3 years ago

4 0

Answer:

Trend line (Best fit line).

Explanation:

In scatter plots the trend line gives the best approximation of the data. The approximation is of a linear equation. With this line it can be easy to estimate more values for a given x value. The graph here shows the distance covered in the corresponding time. The trend line here is a function of distance and time.

So, the name of the part of the graph labeled 7 is the Trend line (Best fit line).

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Why does the Earth exert a gravitational force on objects on its surface?

andre [41]

Answer:

B. It has mass

Explanation:

The Newtons Universal gravitacion law is : F = G. $\frac{m1 m2}{d^{2} }$ , where F is the force exerted , m1 and m2 are the earth's mass and the object's mass, d is the distance and G the gravitacional constant. Comparing to the options we can say that the Earth exerts a gravitational force on objects on its surface because of its mass.

8 0

3 years ago

What happens to the particles in water as the water is heated and turns to vapor

lions [1.4K]

Hey There!

Your answer is that the particles will move more faster!

In a IceCube the particles are badly moving in a liquid they move more but not fast and in this case as the particles are heating changing into a gas the particles are moving faster!

If you need anymore help just ask me!

Hope this helps!

6 0

3 years ago

Read 2 more answers

Work out the following a) Find β = v/c for a person walking at 3 mile/hr and a truck moving at 65 mile/hr. (b) Find γ-1, where γ

balu736 [363]

Explanation:

It is given that,

Speed of the person, v = 3 mile/hr = 1.34 m/s

Speed of the truck, v' = 65 mile/hr = 29.05 m/s

(a) Since, $\beta =\dfrac{v}{c}$

For the person, $\beta =\dfrac{1.34}{3\times 10^8}=4.47\times 10^{-9}$

For the truck, $\beta =\dfrac{29.05}{3\times 10^8}=9.68\times 10^{-8}$

(b) The relativistic factor is given by :

$\gamma=\dfrac{1}{\sqrt{1-\beta^2}}$

For very small velocity, $\beta$

$\gamma=(1-\beta ^2)^{-1/2}\approx 1+\dfrac{1}{2}\beta ^2$

$\gamma-1=\dfrac{\beta^2}{2}$

For the person :

$\gamma-1=\dfrac{(4.47\times 10^{-9})^2}{2}=9.99\times 10^{-18}$

For the person :

$\gamma-1=\dfrac{(9.68\times 10^{-8})^2}{2}=4.68\times 10^{-15}$

Hence, this is the required solution.

3 0

3 years ago

Cold water currents bring blank or blank climates alongblank region

Vadim26 [7]

Answer:i think they do i dont understand your question it does not make sence

Explanation:

5 0

3 years ago

Light enters water from air at an angle of 25° with the normal, Θ1. If water has an index of refraction of 1.33, determine Θ2.

vladimir1956 [14]

By Snell's law:

η = sini / sinr. i = 25, η = 1.33

1.33 = sin25° / sinr

sinr = sin25° / 1.33 = 0.4226/1.33 = 0.3177 Use a calculator.

r = sin⁻¹(0.3177)

r ≈ 18.52°

Option A.

God's grace.

6 0

3 years ago