# 4. A car's performance is often judged by the shortest time required to accelerate the car from rest...

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### Tanong

4. A car’s performance is often judged by the shortest time required to accelerate the car from rest to 100
km/h. The new Ford Mustang can achieve this in 10 seconds. What is the average acceleration of this
sports car in m/s29

### Mga sagot sa #1 sa Tanong: 4. A car’s performance is often judged by the shortest time required to accelerate the car from rest to 100km/h. The new Ford Mustang can achieve this in 10 seconds. What is the average acceleration of thissports car in m/s29

$$\tt{\huge{\blue{Explanation:}}}$$

The acceleration of an object is given by

$$\boxed{a = \frac{v_{f} – v_{i}}{t}}$$

where:

a = acceleration

vf = final velocity

vi = initial velocity

t = time

$$\tt{\huge{\red{Solution:}}}$$

### Listing the given values

vf = 100 km/h = 27.78 m/s

vi = 0

t = 10 s

### Solving for a

$$a = \dfrac{v_{f} – v_{i}}{t}$$

$$a = \dfrac{\text{27.78 m/s} – 0}{\text{10 s}}$$

$$\boxed{a = \text{2.78 m/}\text{s}^{2}}$$

Therefore, the average acceleration of the sports car is 2.78 m/.

$$\\$$

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