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An object moves with a uniform acceleration of 2 m/s². If it starts from rest, w

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Question: An object moves with a uniform acceleration of 2 m/s². If it starts from rest, what will be its velocity after 5 seconds?

Options:

  1. 5 m/s
  2. 10 m/s
  3. 15 m/s
  4. 20 m/s

Correct Answer: 10 m/s

Solution: 

Using the formula: v = u + at, where u = 0, a = 2 m/s², t = 5 s. v = 0 + 2 * 5 = 10 m/s.

An object moves with a uniform acceleration of 2 m/s². If it starts from rest, w

Practice Questions

Q1
An object moves with a uniform acceleration of 2 m/s². If it starts from rest, what will be its velocity after 5 seconds?
  1. 5 m/s
  2. 10 m/s
  3. 15 m/s
  4. 20 m/s

Questions & Step-by-Step Solutions

An object moves with a uniform acceleration of 2 m/s². If it starts from rest, what will be its velocity after 5 seconds?
  • Step 1: Identify the initial velocity (u). Since the object starts from rest, u = 0 m/s.
  • Step 2: Identify the acceleration (a). The problem states that the acceleration is 2 m/s².
  • Step 3: Identify the time (t). The problem states that the time is 5 seconds.
  • Step 4: Use the formula for final velocity (v): v = u + at.
  • Step 5: Substitute the values into the formula: v = 0 + (2 m/s² * 5 s).
  • Step 6: Calculate the result: v = 0 + 10 m/s = 10 m/s.
  • Uniform Acceleration – The motion of an object where its velocity changes at a constant rate.
  • Kinematic Equations – Equations that describe the motion of objects under uniform acceleration.
  • Initial Velocity – The velocity of the object at the start of the time interval, which is zero in this case.
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