Q1 earth takes about 365 days to orbit once around the sun

Reference no: EM13355123

Q1. Earth takes about 365 days to orbit once around the sun. Mercury, the innermost planet, takes less than a fourth of this time to complete one revolution. Assume some mysterious force causes Earth to experience an average angular acceleration of 6.05 × 10-13 rad/s2, so that after 12.0 days its angular orbital speed is the same as that of Mercury. Calculate this angular speed and the period of one orbit.

Q2. A 48.9 kg pole vaulter running at 13.0 m/s vaults over the bar. Assuming that the vaulter's horizontal component of velocity over the bar is 1.7 m/s and disregarding air resistance, how high was jump?

Reference no: EM13355123

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