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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...
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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...
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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....
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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, ...
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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....
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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, ...
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NEET - Grade 11 - Physics - Motion in a Straight Line - Study ref# 80
Write the differences between average speed and average velocity. Answer:
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