1) Suppose you are riding a stationary exercise bicycle, andthe electronic meter

Question

1) Suppose you are riding a stationary exercise bicycle, andthe electronic meter indicates that the wheel is rotating at 9.62rad/s. The wheel has a radius of 0.440 m. If you ride the bike for44.7 min, how far would you have gone if the bike could move?
2) A planet orbits a star, in a year of length 2.34 x107 s, in a nearly circular orbit of radius 1.78 x1011 m. With respect to the star, determine(a) the angular speed of the planet,(b) the tangential speed of the planet, and(c) the magnitude and direction of the planet'scentripetal acceleration. 1) Suppose you are riding a stationary exercise bicycle, andthe electronic meter indicates that the wheel is rotating at 9.62rad/s. The wheel has a radius of 0.440 m. If you ride the bike for44.7 min, how far would you have gone if the bike could move? 2) A planet orbits a star, in a year of length 2.34 x107 s, in a nearly circular orbit of radius 1.78 x1011 m. With respect to the star, determine(a) the angular speed of the planet,(b) the tangential speed of the planet, and(c) the magnitude and direction of the planet'scentripetal acceleration.

Explanation / Answer

dx=vot+0.5at^2 There is no acceleration dx=vot time=44.7*60=2682s d=0.88m 9.62/2=1.531847rev/s circumference=d=2.7632m dx=2.7632m(2682s) dx=7410.9024 meters   

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