Below is a velocity-versus-time graph for an object.Which is a correct description of the object's motion?The object is moving at a constant velocity. Then it slows down and stops.JO The object rolls along a flat surface. It then rolls down a hill, and finally stops.The object moves along a flat surface. Then it rolls down a hill, and keeps going.The object does not move at first. Then it rolls down a hill, and keeps going.The object does not move at first. Then it moves at a constant velocity, and stops.

Correct option is (a) i e The object is moving at a constant velocity.Then it slows down and stop .…

Answered: Which is a correct description of the…

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 light, rigid rod is 50.2 cm long. Its top end is pivoted on a frictionless horizontal axle. The rod hangs straight down at rest with a small, massive ball attached to its bottom end. You strike the ball, suddenly giving it a horizontal velocity so that it swings around in a full circle. What minimum speed at the bottom is required to make the ball go over the top of the circle? m/s
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You're out in space, on a rotating wheel-shaped space station of radius 1426 m. You feel planted firmly on the floor due to artificial gravity. The gravity you experience is Earth-normal, that is, g = 9.81 m/s^2. How fast is the space station rotating in order to produce this much artificial gravity? Express your answer in revolutions per minute (rpm). 0.083 rpm 118.3 rpm 0.554 rpm 0.792 rpm
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1. Consider an object on some trajectory r(t) and define v = r' as the velocity with speed v = [r'|. (a) Show that we can write v = vT. (b) Show that we can write the acceleration as a = arT + anN where ar and an are the tangential and normal acceleration components that are func- tions of the speed and curvature. Explain why an object with constant speed can still experience an acceleration. (c) Consider a trajectory r(t) = (t² – 1,t – t³). Compute the curvature as well as the tangential and normal components of the acceleration.
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QI/ v, m/s 2- Parabolic A particle starts from rest at x = -2 m along x - axis with the v-t history shown. Determine the displacements accelerations at t = 0.5,1.0.1.5 and 2.0 s. and 0.5 1.0 2.0 t,s -1.5 1 Add file
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