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8090 [49]
3 years ago
14

What are some physical properties of a star

Physics
2 answers:
Juli2301 [7.4K]3 years ago
8 0
Distance, how much energy generated in the star, size, temp, brightness
zloy xaker [14]3 years ago
7 0
1. Apparent magnitude
2. Colur Index
3. Annual parallax/variation period if it is Cepheid variable/Red Shift
4. Radial Velocity & Tangential Velocity
Other quantities are derived from the above basic observational data.
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blagie [28]

#82

here we know that

acceleration = 2 m/s/s

time = 5 s

initial speed = 4 m/s

now we can use kinematics to find the final speed

v_f = v_i + at

v_f = 4 + 2(5)

v_f = 14 m/s

So correct answer will be option D)

#83

here we know that

acceleration = 3 m/s/s

time = 4 s

initial speed = 5 m/s

now we can use kinematics to find the final speed

v_f = v_i + at

v_f = 5 + 3(4)

v_f = 17 m/s

So correct answer will be option C)

#84

here we know that

acceleration = 7 m/s/s

time = 3 s

initial speed = 8 m/s

now we can use kinematics to find the final speed

v_f = v_i + at

v_f = 8 + 7(3)

v_f = 29 m/s

So correct answer will be option C)

6 0
3 years ago
Select the correct answer
devlian [24]

Explanation:

please send full question....

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The nebular theory also predicts that the cloud should heat up as it collapses. what physical law explains why it heats up?
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