A skateboard of mass m rests on the top of a hemispheric dome of radius R. After giving the skateboard a small kick, imparting an initial speed of vo, it begins rolling down the dome. Let the angle 0 indicate the location of the skateboard as it rolls down the surface of the dome. R 1. Eventually, the skateboard will lose contact with the dome. Given m, R, vo, and g, find the angle 0, at which the skateboard loses contact. Express your answer symbolically (i.e. without numbers). Check your work. Suppose you choose m = 1.5 kg, v. = g = 9.81 m/s". In this case, your answer should evaluate to 6. = 34.2°. 4.5 m/s, R = 4.3 m, and 2. Given m, R, and g, determine the range of speeds for which it is impossible to remain in contact with the wall at all.

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A skateboard of mass m rests on the top of a hemispheric dome of radius R. After giving the
skateboard a small kick, imparting an initial speed of vo, it begins rolling down the dome.
Let the angle 0 indicate the location of the skateboard as it rolls down the surface of the
dome.
R
1. Eventually, the skateboard will lose contact with the dome. Given m, R, vo, and g, find
the angle 0. at which the skateboard loses contact. Express your answer symbolically
(i.e. without numbers).
Check your work. Suppose you choose m = 1.5 kg, vo =
g = 9.81 m/s. In this case, your answer should evaluate to 0. = 34.2°.
4.5 m/s, R = 4.3 m, and
2. Given m, R, and g, determine the range of speeds for which it is impossible to remain
in contact with the wall at all.
Transcribed Image Text:A skateboard of mass m rests on the top of a hemispheric dome of radius R. After giving the skateboard a small kick, imparting an initial speed of vo, it begins rolling down the dome. Let the angle 0 indicate the location of the skateboard as it rolls down the surface of the dome. R 1. Eventually, the skateboard will lose contact with the dome. Given m, R, vo, and g, find the angle 0. at which the skateboard loses contact. Express your answer symbolically (i.e. without numbers). Check your work. Suppose you choose m = 1.5 kg, vo = g = 9.81 m/s. In this case, your answer should evaluate to 0. = 34.2°. 4.5 m/s, R = 4.3 m, and 2. Given m, R, and g, determine the range of speeds for which it is impossible to remain in contact with the wall at all.
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