4. (a) The masses of the Earth and the Moon are 5.98 x 1024 kg and 7.35 × 1022 kg, respectively, and their centers are separated by 3.84 x 10% m. Where is the center of mass of this system located? (b) Consider two objects with masses mĄ = 35 kg and mB velocities (in m/s) đA of the center of mass of the system. 25 kg. They have = 12î – 16j and OB = -20î + 14ĵ. Determine the velocity

4. (a) The masses of the Earth and the Moon are 5.98 x 1024 kg and 7.35 × 1022 kg, respectively, and their centers are separated by 3.84 x 10% m. Where is the center of mass of this system located? (b) Consider two objects with masses mĄ = 35 kg and mB velocities (in m/s) đA of the center of mass of the system. 25 kg. They have = 12î – 16j and OB = -20î + 14ĵ. Determine the velocity

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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A 1.95-kg particle has a velocity (1.95 î – 3.07 ĵ) m/s, and a 2.91-kg particle has a velocity (1.06 î + 5.99 ĵ) m/s. (a) Find the velocity of the center of mass. i) m/s (b) Find the total momentum of the system. |î) kg · m/s
Enet = The vector position of a 3.80 g particle moving in the xy plane varies in time according tor, = (3î + 3j)t + 2ĵt2 where t is in seconds and r is in centimeters. At the same time, the vector position of a 5.35 g particle varies as 2 sr, = 3î – 2ît? - 6jt. (a) Determine the vector position (in cm) of the center of mass of the system at t = 2.40 s. rcm 4.744i – 7.38j cm (b) Determine the linear momentum (in g• cm/s) of the system at t = 2.40 s. p = 11.4i – 35.58j g• cm/s (c) Determine the velocity (in cm/s) of the center of mass at t = 2.40 s. 1.245i – 3.888j cm/s = cm (d) Determine the acceleration (in cm/s2) of the center of mass at t = 2.40 s. 0.6775j cm/s? = cm (e) Determine the net force (in µN) exerted on the two-particle system at t = 2.40 s. µN
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11.
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