Please answer and explain! **Question 21:**Which one of the following expressions determines the minimum speed that the car must have at the top of the track if it is to remain in contact with the track?A) \( v = MgR \)B) \( v = 2gR \)C) \( v^2 = 2gR \)D) \( v^2 = gR \)E) \( v = \sqrt{gR} \)*Note:* This is a multiple-choice question related to physics, specifically addressing the minimum speed needed for an object in circular motion to stay in contact with the track. **Instructions for Physics Problem Solving**Use the following information to answer questions 20-21:A small car of mass \( M \) travels along a straight, horizontal track. As suggested in the figure, the track then bends into a vertical circle of radius \( R \).**Diagram Explanation:**The diagram shows a small car (labeled with mass \( M \)) on a track. The track transitions from a horizontal path to a vertical circular loop. The radius of this loop is marked as \( R \). The car is depicted moving towards the loop, illustrating the transition from linear to circular motion.

Name: Please answer and explain! **Question 21:**Which one of the following
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Description: Please answer and explain! **Question 21:**Which one of the following expressions determines the minimum speed that the car must have at the top of the track if it is to remain in contact with the track?A) \( v = MgR \)B) \( v = 2gR \)C) \( v^2 = 2gR

Given data : Mass of the car is M Radius of the vertical circle is R

Science

Physics

21. Which one of the following expressions determines the minimum speed that the car must have at the top of the track if it is to remain in contact with the track? A) v=MgR B) v = 2gR C) ²=2gR D) v²=gR E) v=gR

21. Which one of the following expressions determines the minimum speed that the car must have at the top of the track if it is to remain in contact with the track? A) v=MgR B) v = 2gR C) ²=2gR D) v²=gR E) v=gR

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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