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NEET - Grade 11 - Physics - Motion in a Plane - Importance and Snapshot of Motion In A Plane - Study ref# 703

Introduction: In Motion in a Straight Line chapter we developed the concepts of position, displacement, velocity and acceleration that are needed to describe the motion of an object along a straight line. We found that the directional... read more

NEET - Grade 11 - Physics - Motion in a Straight Line - Importance and Snapshot of Motion In A Straight Line - Study ref# 700

Introduction: Motion is common to everything in the universe. We walk, run and ride a bicycle. Motion is change in position of an object with time. In this chapter, we shall learn how to describe motion. For this, we develop the concep... read more

NEET - Grade 11 - Physics - Motion in a Straight Line - Importance and Snapshot of Motion In A Straight Line - Study ref# 701

Following sections must be covered to understand Motion in a Straight Line: 1. Introduction 2. Position, path length and displacement 3. Average velocity and average speed 4. Instantaneous velocity and speed 5. Acceleration 6.... read more

NEET - Grade 11 - Physics - Motion in a Straight Line - Target Setup for Motion In A Straight Line - Study ref# 702

Student requires to achieve the following milestones to get better grip over Motion In A Straight Line. The milestones / targets are as follows:- Starting Point: Days 0Test TypeAppear on TestTarget TestsScorePractice Test000%Chap... read more

NEET - Grade 11 - Physics - Motion in a Straight Line - Study ref# 70

A ball is thrown vertically upward with a velocity of 20 m/s. Construct time–acceleration and time-displacement graph. Answer: Initial velocity Acceleration because, acceleration is downward. Time to reach max. height... read more

NEET - Grade 11 - Physics - Motion in a Straight Line - Study ref# 71

Two parallel rail tracks run north-south. Train A moves due north with a speed of 54 km/h and train B moves due south with a speed of 90 km/h. What is the relative velocity of B with respect to A in m/s? Answer: VA = 54 km/hr VB = 90 k... read more

NEET - Grade 11 - Physics - Motion in a Straight Line - Study ref# 72

The displacement (in meter) of a particle moving along x-axis is given by .Calculate:1. The instantaneous velocity at t = 2s2. Average velocity between t = 2s and t = 3s,3. Instantaneous acceleration. Answer: 1. At, &nbs... read more

NEET - Grade 11 - Physics - Motion in a Straight Line - Study ref# 73

Suppose two straight lines are drawn at angle with time axis in the same displacement- time graph. Which straight line determines larger velocity? And find the ratio of their velocities. Answer: In displacement-time graph, The veloci... read more

NEET - Grade 11 - Physics - Motion in a Straight Line - Study ref# 74

A body is thrown up with a velocity of . Find how high will it rises and how much time will it take to return to its point of projection. Answer: Let the point of projection O be taken as the origin.At t = 0, v(0) = 78.4 ms-1 Let t be the t... read more

NEET - Grade 11 - Physics - Motion in a Straight Line - Study ref# 75

A car moving along a straight highway with speed of 126 km/h is brought to a stop within a distance of 200m. What is the retardation of the car (assumed uniform) and how long does it take for the car to stop? Answer: Initial speed of the car, &n... read more

NEET - Grade 11 - Physics - Motion in a Straight Line - Study ref# 76

‘Displacement cannot be always equal to the distance traversed’ – explain it with example. Answer: Distance is the total path traversed by the particle but displacement is the shortest distance between the initial position and final position of motio... read more

NEET - Grade 11 - Physics - Motion in a Straight Line - Study ref# 77

Establish the relation graphically. Answer: Slope of v-t graph is constant. So there is uniform acceleration. Area below the graph gives the displacement (x).Area = Area of trapezium Since We have, ... read more

NEET - Grade 11 - Physics - Motion in a Straight Line - Study ref# 78

Is it possible to have negative value in speed and displacement? Answer: Speed is always +ve. Displacement can have –ve, zero or, +ve values.... read more

NEET - Grade 11 - Physics - Motion in a Straight Line - Study ref# 79

Define Instantaneous velocity. Answer: Velocity of body at a particular instant is called Instantaneous velocity. or, ... read more

NEET - Grade 11 - Physics - Motion in a Straight Line - Study ref# 80

Write the differences between average speed and average velocity. Answer: ") .addClass("arrow") .addClass(feedback.vertical) .addClass(feedback.horizontal) .appendTo(this); } } }); }); function ValidateSearchDetails() { var SearchText = $("input[id*='txtSearchText']").val(); var SearchCourse = $("select[id*='ddlSearchCourse']").val(); var returnflag = true; // SearchText Validation Start var ValidSearchText = false; if (SearchText == "") { $("input[id*='txtSearchText']").css("background-color", "#fffe96"); $("input[id*='txtSearchText']").attr("title", "Please Type your query."); returnflag = false; ValidSearchText = false; } else { $("input[id*='txtSearchText']").css("background-color", "none"); ValidSearchText = true; } ManageTitle("input[id*='txtSearchText']", ValidSearchText); // SearchText Validation End // SearchCourse Validation Start var ValidSearchCourse = false; if (SearchCourse == "0") { $("select[id*='ddlSearchCourse']").css("background-color", "#fffe96"); $("select[id*='ddlSearchCourse']").attr("title", "Please Select Course."); returnflag = false; ValidSearchCourse = false; } else { $("select[id*='ddlSearchCourse']").css("background-color", "none"); ValidSearchCourse = true; } ManageTitle("select[id*='ddlSearchCourse']", ValidSearchCourse); // ddlSearchCourse Validation End return returnflag; //alert('Ok'); } function ManageTitle(Control, returnFlag) { if (returnFlag == true) { $(Control).removeAttr("title"); } }

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