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kirza4 [7]
3 years ago
13

Which characteristics can be used to differentiate star systems? Check all that apply.

Physics
2 answers:
hjlf3 years ago
7 0

The answer is:

the number of stars in the system

the age of the stars in the system

the way stars are organized in the system

I just finished this assignment, hope it helped.

Dovator [93]3 years ago
6 0

♡ hello there ヾ(°∇° ) ♡

   Your answers are...

  ★ ... <u>A, C, and D</u> !!!! ★

×║hope this helps,║×

➶ have a nice day! ➷

       ↬ <u>ɢᴏᴛʜɪx</u> ♡

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2. A pebble is dropped down a well and hits the water 1.5 s later. Using the equations for motion with constant acceleration, de
kow [346]

Answer:

S = 11.025 m

Explanation:

Given,

The time taken by the pebble to hit the water surface is, t = 1.5 s

Acceleration due to gravity, g = 9.8 m/s²

Using the II equations of motion

                          S = ut + 1/2 gt²

Here u is the initial velocity of the pebble. Since it is free-fall, the initial velocity

                                u = 0

Therefore, the equation becomes

                            S = 1/2 gt²

Substituting the given values in the above equation

                              S = 0.5 x 9.8 x 1.5²

                                 = 11.025 m

Hence, the distance from the edge of the well to the water's surface is, S = 11.025 m

3 0
3 years ago
PLEASE HELP ME!!!!!!!!!
dexar [7]
7.5 I think because it can not be 9 because it’s not close to 50
3 0
2 years ago
An airplane starts at rest and accelerates at 6.8 m/s2 at an angle of 39° south of west. After 9 s, how far in the westerly dire
cestrela7 [59]

Answer:36.8

Explanation:

7 0
3 years ago
¿Qué cantidad de calor absorbió una masa de 4 g de cinc al pasar de 20 °C a<br> 180 °C?
Alborosie

(amount of heat)Q = ? , (Mass) m= 4 g , ΔT = T f - T i = 180 c° - 20 °c = 160 °c ,

Ce = 0.093 cal/g. °c

Q = m C ΔT

Q = 4 g × 0.093 cal/g.c° × ( 180 °c- 20 °c )

Q= 4×0.093 × 160

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I hope I helped you^_^

7 0
3 years ago
Homeostasis is the regulation of an organism’s internal environment to maintain conditions suitable for life. Homeostasis requir
kherson [118]
I think it would be B
5 0
3 years ago
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