Math Problem Statement

A race car accelerates from 0 m/s to 30 m/s with a displacement of 60 m. What is the vehicle's acceleration?

Solution

We can find the vehicle's acceleration using the kinematic equation that relates velocity, displacement, and acceleration:

v2=u2+2asv^2 = u^2 + 2a s

Where:

  • vv is the final velocity (30 m/s),
  • uu is the initial velocity (0 m/s),
  • aa is the acceleration (what we're solving for),
  • ss is the displacement (60 m).

Now, plugging in the known values:

(30)2=(0)2+2a60(30)^2 = (0)^2 + 2 \cdot a \cdot 60

This simplifies to:

900=120a900 = 120a

Now, solve for aa:

a=900120=7.5m/s2a = \frac{900}{120} = 7.5 \, \text{m/s}^2

So, the vehicle's acceleration is 7.5 m/s².

Would you like more details or have any questions?

Here are some related questions for further practice:

  1. What would the acceleration be if the car reached 40 m/s over the same displacement?
  2. How long did the car take to reach 30 m/s with this acceleration?
  3. If the car maintained this acceleration, what would its velocity be after covering 100 meters?
  4. What is the car's displacement if it reaches 30 m/s in 3 seconds?
  5. How much time does it take to cover the 60 meters with this acceleration?

Tip: In kinematics, always check the given information carefully to choose the correct equation for the unknown quantity!

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Math Problem Analysis

Mathematical Concepts

Kinematics
Uniform Acceleration

Formulas

v^2 = u^2 + 2as

Theorems

Kinematic Equations

Suitable Grade Level

Grades 9-12