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NeX [460]
2 years ago
12

Choose all the answers that apply.

Physics
2 answers:
DerKrebs [107]2 years ago
7 0

Answer:

use their own matter to create nuclear reactions

generate their own energy

are classified primarily by temperature

usually seem bright if they are close to Earth

Explanation:

kvv77 [185]2 years ago
4 0
All of the answers are correct !!
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Complete the following table with the appropriate units of measurement. Word bank: gram, meter, kelvin, liter, second, grams/cm3
lara31 [8.8K]

mass gram, time sec, temp kelvin, vol liter, dens grams/cm3

5 0
3 years ago
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Two bikers are riding a circular
OverLord2011 [107]
ANSWER.no cause they have to be going a the same speed and I doubt that are gonna go at the same speed.
8 0
3 years ago
A 2498 kg car is moving at 17.1 m/s slams on its brakes and slows to 2.6 m/s. What is the magnitude (absolute value) of the impu
bija089 [108]

Answer:

<em>J=36221 Kg.m/s</em>

Explanation:

<u>Impulse-Momentum Theorem</u>

These two magnitudes are related in the following way. Suppose an object is moving at a certain speed v_1 and changes it to v_2. The impulse is numerically equivalent to the change of linear momentum. Let's recall the momentum is given by

p=mv

The initial and final momentums are, respectively

p_1=mv_1,\ p_2=mv_2

The change of momentum is

\Delta p=p_2-p_1=m(v_2-v_1)

It is numerically equal to the Impulse J

J=\Delta p

J=m(v_2-v_1)

We are given

m=2498\ kg,\ v_1=17.1\ m/s,\ v_2=2.6\ m/s

The impulse the car experiences during that time is

J=2498(2.6-17.1)=2498(-14.5)

J=-36221 Kg.m/s

The magnitude of J is

J=36221 Kg.m/s

8 0
3 years ago
An agriculturalist working with Australian pine trees wanted to investigate the relationship between the age and the height of t
SVETLANKA909090 [29]

Answer:

The correct answer is B.

Explanation:

Step 1:

The available regression equation is: Predict height= 0.29 + 0.48 (age).

Here, the predict height is dependent variable and the  age is in-dependent variable.

Intercept = 0.29

Slope      = 0.48

The given regression equation indicates the y on x model and the intercept coefficients of the regression equation is 0.29 and the slope is 0.48.

Step 2:

The height increases, an average, by 0.48 m per year.

Because co-efficient of slope variable indicate the positive sign and we increase 1 year in age then automatically height increased is 0.48 m.

<h3></h3><h3>The height increases, on average, by 0.48 meter each year.</h3>
6 0
3 years ago
Please select the word from the list that best fits the definition
alexdok [17]

Answer:

yuuuhhhhhhh

Explanation:

it maxed Imao

4 0
3 years ago
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