Question

l T-Mobile 9:15 AM a webassign.net Astrology, that unlikely and vague pseudoscience, makes much of the position of the planets at the moment of one's birth. The only known force a planet exerts on Earth is gravitational. Calculate the magnitude of the gravitational force (in N) exerted on a 3.00 kg baby by a 130 kg father 0.250 m away at birth (he is assisting, so he is close to the child.) ) Calculate the magnitude of the force on the baby (in N) due to Jupiter if it is at its closest distance to Earth, some 6.29 1011 m away. Other objects in the room and the hospital building also exert similar gravitational forces. (Of course, there could be an unknown force acting, but scientists first need to be convinced that there is even an effect, much less that an unknown force causes it.) How does the force of Jupiter on the baby compare to the force of the father on the baby? Additional Materials Readng The existence of the dwarf planet Pluto was proposed based on irregularities in Neptune's orbit. Pluto was subsequently discovered near its predicted position. But it now appears that the discovery was fortuitous, because Pluto is small and the irregularities in Neptune's orbit were not well known. To illustrate that Pluto has a minor effect on the orbit of Neptune compared with the closest planet to Neptune, answer the following questions. )Calculate the acceleration (in m/s2) due to gravity at Neptune due to Pluto when they are 4.60x 1012 m apart, as they are at present. The mass of Pluto is 1.4 x 1022 kg. m/s2 Calculate the acceleration (in m/s2) due to gravity at Neptune due to Uranus, presently about 2.80 x 1012 m apart. The mass of Uranus is 8.62 x 1025 kg. m/s Give the ratio of this acceleration to that due to Pluto.

Answer 1

F= (4) 6-62x1oㅡ") (3) (1.qx10° le .433

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