(c) Astronomical observations indicate that the rotational velocity follows a different behaviour: Veba (r) = VGrpoż0Ro 5/2 1+e-4r/Ro Draw the expected and observed rotational velocity into the plot below: 2.0 1.5 1.0 0.5 0.0 10 Radius from Center r [R) (d) Scientists believe the reasons for the difference to be dark matter: Determine the rotational velocity due to dark matter vpM(r) from Ro and draw it into the plot above. (e) Derive the dark matter mass MpM (r) enclosed in r and explain its distributed. (f) Explain briefly three theories that provide explanations for dark matter. Rotational Velocity e ly GrpRl

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(c) Astronomical observations indicate that the rotational velocity follows a different behaviour:
Veba (r) = VGrpoż0Ro
5/2
1+e-4r/Ro
Draw the expected and observed rotational velocity into the plot below:
2.0
1.5
1.0
0.5
0.0
10
Radius from Center r [R)
(d) Scientists believe the reasons for the difference to be dark matter: Determine the rotational
velocity due to dark matter vpM(r) from Ro and draw it into the plot above.
(e) Derive the dark matter mass MpM (r) enclosed in r and explain its distributed.
(f) Explain briefly three theories that provide explanations for dark matter.
Rotational Velocity e ly GrpRl
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Transcribed Image Text

(c) Astronomical observations indicate that the rotational velocity follows a different behaviour: Veba (r) = VGrpoż0Ro 5/2 1+e-4r/Ro Draw the expected and observed rotational velocity into the plot below: 2.0 1.5 1.0 0.5 0.0 10 Radius from Center r [R) (d) Scientists believe the reasons for the difference to be dark matter: Determine the rotational velocity due to dark matter vpM(r) from Ro and draw it into the plot above. (e) Derive the dark matter mass MpM (r) enclosed in r and explain its distributed. (f) Explain briefly three theories that provide explanations for dark matter. Rotational Velocity e ly GrpRl