A body weight 4.5 kg wt on the surface of earth. How much will it weight on the surface of the planet whose mass of (1/9)th the mass of the earth and radius half that of the earth.
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- Astrology,that unlikely and vague pseudoscience,makes much of the position of the planets at the moment of birth. The only known force exerts on earth is gravitational. (A) calculate the gravitational force exerted on a 4.00 kg baby by a 110 kg father 0.100 m away at birth (assisting so he is close). (B) calculate the force on the baby due to Jupiter if it's closer to earth , some 6.29x10^11 m away , showing it to be compairible to that of the father. The mass of Jupiter is about 1.90 x10^27 kg . 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) I used ^ to show its power like exponentHow long will it take Mars to complete two full orbit? Mars is228 million kilometers away from the sun. The sun has a massof 1.99 × 10^30 kg. Express your answer in days.5) Titan is the largest moon of Saturn, and the only moon in the solar system known to have a substantial atmosphere. Its radius is easily measured to be 2570km. Since it doesn't have a satellite itself it's not obvious to us how we could determine its mass. Suppose an astronaut of mass 60kg visits and finds her weight to be 81N. What is Titan's mass?
- A woman whose weight is 680 N on the Earth’s surface is in a spacecraft at an altitude above the Earth's surface equal to the radius of the Earth. Her approximate weight (in newtons) in the spacecraft isSuppose that Earth rotated much faster on its axis-so fast that people were almost weightless when at Earth's surface. How long would the length of a day be on this new Earth? Assume that rE 6.37×10^6 m is the radius of Earth. Express the answer in hours.Determine the ratio of Earth's gravitational force exerted on an 80-kg person when at Earth's surface and when 1100 km above Earth's surface. The radius of Earth is 6370 km. FE on P,surface FE on Ph 195] ΑΣΦ ?
- You know that the increasing speed due to gravity on the surface of the earth is 9.8 m/sec2, which the length of a incredible circle around the earth is 4 x lo7 m. You're given that the proportions of moon/earth distances across and masses are Dm Mm = 0.27 and = 0.0123 De Me respectively. (a) Compute the least speed required to elude from the moon's gravitational field when beginning from its surface. (b) Compare this speed with warm speeds of oxygen atoms at the moon's temperature which comes to 100°C. 59(a) Determine the mass of a person on the moon whose mass on Earth is 87 kg(b) Determine the weight of a person on the moon whose weight on Earth is 135 lbs.Palapa satellites orbit the earth 24-hour period. If the palapa satellite orbits planet x which has the same mass as the mass of the earth. And the radius is 4 times the radius when it orbits the earth. Then the satellite orbits planet x by?
- (a) Calculate the distance from the Earth's surface of the point which the gravitational field strength is zero, given the following data: Distance between the Earth and the Moon = 384 000 km; Mass of the Earth = 5.98 x 10^24 kg; Mass of the Moon = 7.35 x 10^22 kg; Radius of the Earth = 6.37 x 10^6 m (b) If a small mass is placed at this point, does is receive gravity force? Is the gravitational potential energy at this point equal to 0? Explain your answer.Your weight on Earth is W0W0. Let mE≡mE≡ mass of the Earth; RE≡RE≡ radius of the Earth. What would your weight be if you were on a planet with a mass of 3mE3mE and radius of 4RE4RE?A satellite moves in a circular orbit aroundthe Earth at a speed of 5.5 km/s.Determine the satellite’s altitude abovethe surface of the Earth. Assume theEarth is a homogeneous sphere of radius6370 km and mass 5.98 × 1024 kg. Thevalue of the universal gravitational constantis 6.67259 × 10−11 N · m2/kg2.Answer in units of km.