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gulaghasi [49]
4 years ago
8

Rank the stars based on their current age, from oldest to youngest. If two (or more) stars have approximately the same age (that

is, ages within a few million years), rank them as equal by dragging one on top of the other(s).
Physics
1 answer:
solniwko [45]4 years ago
5 0
How fine do you want them categorized for the ranking ?
What's the population to be ranked ?
The 4000 naked-eye-visible stars ?
The stars within, say, 50 light years from Earth ?
All 200-400 billion stars in the Milky Way galaxy ? 
All the stars in some other galaxy ?

Or did you have a list of items to be ranked that you decided not to share ?
That would be a lot like asking us to seat a class of sixth graders alphabetically,
and then not telling us their names.

And how do we drag one star on top of another ?
And if I do that here, how will you know about it ?

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An object initially at rest experiences an acceleration of 9.8m/s2. How much time will it take it to achieve a velocity of 49m/s
Vlad1618 [11]

Answer:5seconds

Explanation:

initial velocity(u)=0

Final velocity(v)=49m/s

acceleration(a)=9.8m/s2

Time(t)=?

V=u+axt

49=0+9.8xt

49=9.8t

t=49/9.8

t=5seconds

6 0
3 years ago
Which compound has the highest boiling point? Explain your reasoning. CH4 or CH3CH3
kogti [31]

The bigger molecule has more interactions and hence the higher b.p. CH3CH2OCH2CH3 is a bigger molecule than CH4 and CH3CH3, so has more dispersion forces. It also has dipole-dipole forces due to the polarised C-O bonds. CH3OH and CH3CH2OH have hydrogen bonds due to the very electronegative O atom bonded to the H atom

God bless

4 0
3 years ago
Read 2 more answers
A walkman uses four standard 1.5 V batteries. How much resistance is in the circuit if it uses a current of 0.02A? *
hodyreva [135]

Answer:

75ohms

Explanation:

V= IR

V = 1.5volts

I = 0.02A

1.5 = 0.02×R

Making R the subject

R = 1.5/0.02

R = 75ohms

The resistance in the circuit will be 75ohms

7 0
3 years ago
An electron is released from rest in a unifor electric field and accelerates to the north at a rate of 145 m/s^2. What is the ma
julsineya [31]

Answer:

E = 8.26*10⁻¹⁰ N/C, due south.

Explanation:

  • Assuming no other forces acting on the electron than the electrostatic force due to the electric field, we can apply Newton's 2nd law as follows:

       F = -eE =ma (1)

  • Solving for E, we can find its magnitude as follows:

       E =\frac{m*a}{e} = \frac{9.1e-31 kg*145m/s2}{1.6e-19C} = 8.26e-10 N/C (1)

  • The direction of the electric field is by definition the one that would take a positive test charge, so if the electron is accelerated to the north, the electric field would exactly oppose to this direction, so it is directed due south.
7 0
3 years ago
Mercury has two satellites. True False (I NEED THE ANSWER ASAP!
anastassius [24]

Answer:

False

Explanation:

Mercury has 0 natural satellites.

8 0
3 years ago
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