Question

1) Suppose you are riding a stationary exercise bicycle,andthe electronic meter indicates that the wheel is rotating at9.62rad/s. The wheel has a radius of 0.440 m. If you ride the bikefor44.7 min, how far would you have gone if the bike couldmove?

2) A planet orbits a star, in a year of length 2.34x10⁷ s, in a nearly circular orbit of radius 1.78x10¹¹ m. With respect to the star,determine(a) the angular speed of theplanet,(b) the tangential speed of the planet,and(c) the magnitude and direction of theplanet'scentripetal acceleration.