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If a car accelerates from rest, the acceleration is defined as the rate of change of:

Question

If a car accelerates from rest, the acceleration is defined as the rate of change of:

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Solution

The acceleration of a car from rest is defined as the rate of change of its velocity. This means how quickly the speed of the car is increasing over a certain period of time. Here are the steps to understand this:

  1. Start with the definition of acceleration: Acceleration is a measure of how quickly the velocity of an object changes.

  2. Apply this definition to a car at rest: When a car is at rest, its initial velocity is zero. As it starts to move, its velocity increases - it goes from zero to a certain speed.

  3. Understand the rate of change: The rate of change is simply how much something changes over a certain period of time. In this case, it's how much the velocity of the car changes as it accelerates from rest.

  4. Put it all together: So, the acceleration of a car from rest is the rate at which its velocity (speed) increases over time. If the car accelerates quickly, this means its speed is increasing rapidly. If it accelerates slowly, its speed is increasing at a slower rate.

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Similar Questions

What is the definition of acceleration?The change in speedThe change in velocityThe change in velocity divided by the time during which the change occursThe change in velocity multiplied by the time of change

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A car starts from rest and after 10 seconds is traveling at 30 m/s. Assuming that it continues to accelerate at the same rate it will take another seconds to reach 60 m/s.

The acceleration of a moving object can be calculated by dividing the change in velocity by the change in ___________.

The velocity graph of a car accelerating from rest to a speed of 90 km/h over a period of 30 seconds is shown. Estimate the distance traveled during this period. (Use M6 to get the most precise estimate. Round your answer to two decimal places.)

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