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JEE Main Motion in a Plane — practice questions — page 3

Explore 75 free Motion in a Plane questions in JEE Main Physics. Open each question or exercise to read its content, reference answers and available explanation.

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Motion in a Plane questions and exercises with answers

Showing questions 61–75 of 75.

The horizontal distance from launch to where the projectile lands back at the same level is the:Read the answer and worked solution →For a fixed launch speed, range is greatest at a launch angle of:Read the answer and worked solution →A car goes round a roundabout at a steady 20 km/h. Its motion is:Read the answer and worked solution →The acceleration in uniform circular motion always points:Read the answer and worked solution →Newton named the centre-directed acceleration:Read the answer and worked solution →Centripetal acceleration has constant magnitude but is not a constant vector because its:Read the answer and worked solution →The time for one full revolution is the:Read the answer and worked solution →Catch the vectorsRead the answer and worked solution →Pop the projectilesRead the answer and worked solution →Steer into the vector laneRead the answer and worked solution →Slice the motion wordsRead the answer and worked solution →Scalar or vectorRead the answer and worked solution →Projectile or circularRead the answer and worked solution →One word is wrongRead the answer and worked solution →Motion in a plane bingoRead the answer and worked solution →

Worked practice questions

The horizontal distance from launch to where the projectile lands back at the same level is the:

  1. Time period
  2. Horizontal range
  3. Maximum height
  4. Wave amplitude
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Correct answer: B. Horizontal range

1. It is measured along the ground. 2. It covers the whole time of flight. 3. This distance is the horizontal range. _Source: syllabus Physics Part I, Chapter 4, Motion in a Plane._

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For a fixed launch speed, range is greatest at a launch angle of:

  1. 60 degrees
  2. 90 degrees
  3. 45 degrees
  4. 30 degrees
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Correct answer: C. 45 degrees

1. Range depends on the sine of twice the angle. 2. That sine is largest when twice the angle is 90. 3. So the best angle is 45 degrees. _Source: syllabus Physics Part I, Chapter 4, Motion in a Plane._

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A car goes round a roundabout at a steady 20 km/h. Its motion is:

  1. Free fall drop
  2. Projectile flight
  3. Straight line
  4. Uniform circular
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Correct answer: D. Uniform circular

1. The path is a circle. 2. The speed does not change. 3. That is uniform circular motion. _Source: syllabus Physics Part I, Chapter 4, Motion in a Plane._

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