1. What is the force exerted by Big Ben on the Empire State building? Assume that Big Benhas a mass of 10^8 kilograms and the Empire State building 10^9 kilograms. The distancebetween them is about 5000 kilometers and Big Ben is due east of the Empire Statebuilding2. How far apart are the centers of two objects with masses of 4,100kg and 6,500kg. Thegraviational attraction between them is 86 N.3. The moon has a mass of 7.35 x 10^22 kg and a radius of 1.738 x 10^6 m. At what speed musta rocket be launched from the moon's surface so as not to fall back to the moon.4. What must be the radius of a star of mass 2 x 1030 kg so that the escape speed from this staris equal to 2 x 10^8 m/s?

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1. What is the force exerted by Big Ben on the Empire State building? Assume that Big Ben has a mass of 10^8 kilograms and the Empire State building 1049 kilograms. The distance between them is about 5000 kilometers and Big Ben is due east of the Empire State building

1. What is the force exerted by Big Ben on the Empire State building? Assume that Big Ben has a mass of 10^8 kilograms and the Empire State building 1049 kilograms. The distance between them is about 5000 kilometers and Big Ben is due east of the Empire State building

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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Concept explainers

Gravitational force

In nature, every object is attracted by every other object. This phenomenon is called gravity. The force associated with gravity is called gravitational force. The gravitational force is the weakest force that exists in nature. The gravitational force is always attractive.

Acceleration Due to Gravity

In fundamental physics, gravity or gravitational force is the universal attractive force acting between all the matters that exist or exhibit. It is the weakest known force. Therefore no internal changes in an object occurs due to this force. On the other hand, it has control over the trajectories of bodies in the solar system and in the universe due to its vast scope and universal action. The free fall of objects on Earth and the motions of celestial bodies, according to Newton, are both determined by the same force. It was Newton who put forward that the moon is held by a strong attractive force exerted by the Earth which makes it revolve in a straight line. He was sure that this force is similar to the downward force which Earth exerts on all the objects on it.

Question

1. What is the force exerted by Big Ben on the Empire State building? Assume that Big Ben
has a mass of 10^8 kilograms and the Empire State building 10^9 kilograms. The distance
between them is about 5000 kilometers and Big Ben is due east of the Empire State
building
2. How far apart are the centers of two objects with masses of 4,100kg and 6,500kg. The
graviational attraction between them is 86 N.
3. The moon has a mass of 7.35 x 10^22 kg and a radius of 1.738 x 10^6 m. At what speed must
a rocket be launched from the moon's surface so as not to fall back to the moon.
4. What must be the radius of a star of mass 2 x 1030 kg so that the escape speed from this star
is equal to 2 x 10^8 m/s?

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