If a car accelerates from rest to 25 m/s in 5 seconds, what is its acceleration?

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Question: If a car accelerates from rest to 25 m/s in 5 seconds, what is its acceleration?

Options:

Correct Answer: 5 m/s²

Solution:

Acceleration = (final velocity - initial velocity) / time = (25 m/s - 0) / 5 s = 5 m/s².

If a car accelerates from rest to 25 m/s in 5 seconds, what is its acceleration?

If a car accelerates from rest to 25 m/s in 5 seconds, what is its acceleration?

Step 1: Identify the initial velocity of the car. Since the car starts from rest, the initial velocity is 0 m/s.
Step 2: Identify the final velocity of the car. The final velocity is given as 25 m/s.
Step 3: Identify the time taken for the acceleration. The time is given as 5 seconds.
Step 4: Use the formula for acceleration: Acceleration = (final velocity - initial velocity) / time.
Step 5: Substitute the values into the formula: Acceleration = (25 m/s - 0 m/s) / 5 s.
Step 6: Calculate the result: Acceleration = 25 m/s / 5 s = 5 m/s².

Acceleration – Acceleration is the rate of change of velocity over time, calculated as the difference between final and initial velocity divided by the time taken.