2.) A 200-gram ball is whirled around ina horizontal circle at the end of a string1000cm long. What is the highest speed theobject can have I'd the string has a breakingpoint of 4N3.) A 1000-g ball is tied to a strong 60cmlong and is whirled in a vertical circle at 1revolution per second. If the tension at thehighest point is zero, what is the speed ofthe body at the highest point?4.) A body is moving along a circular path ofradius 2.86m. If the centripetal force on thebody is three times it weight, find period ofthe motion.5. A curve along the highway is to bedesigned for cars moving at 100kilometersper hour. Find the angle of banking I theradius of.the curve is 200m.

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Answered: 2.) A 200-gram ball is whirled around…

2.) A 200-gram ball is whirled around in a horizontal circle at the end of a string 1000cm long. What is the highest speed the object can have I'd the string has a breaking point of 4N

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

2.) A 200-gram ball is whirled around in
a horizontal circle at the end of a string
1000cm long. What is the highest speed the
object can have I'd the string has a breaking
point of 4N
3.) A 1000-g ball is tied to a strong 60cm
long and is whirled in a vertical circle at 1
revolution per second. If the tension at the
highest point is zero, what is the speed of
the body at the highest point?
4.) A body is moving along a circular path of
radius 2.86m. If the centripetal force on the
body is three times it weight, find period of
the motion.
5. A curve along the highway is to be
designed for cars moving at 100kilometers
per hour. Find the angle of banking I the
radius of.the curve is 200m.

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