Questions: Bill's motorcycle can accelerate at 7.05 m / s^2 at a certain RPM and gear. How far, starting from rest, will Bill travel in the first 2.50 s?
Transcript text: Bill's motorcycle can accelerate at $7.05 \mathrm{~m} / \mathrm{s}^{2}$ at a certain RPM and gear. How far, starting from rest, will Bill travel in the first 2.50 s ?
Solution
Solution Steps
Step 1: Identify the Given Values
We are given the following values:
Acceleration, \( a = 7.05 \, \text{m/s}^2 \)
Initial velocity, \( u = 0 \, \text{m/s} \) (since Bill starts from rest)
Time, \( t = 2.50 \, \text{s} \)
Step 2: Use the Equation of Motion
To find the distance traveled, we use the equation of motion for uniformly accelerated motion:
\[
s = ut + \frac{1}{2} a t^2
\]
Since the initial velocity \( u = 0 \), the equation simplifies to:
\[
s = \frac{1}{2} a t^2
\]
Step 3: Substitute the Values and Calculate
Substitute the given values into the simplified equation:
\[
s = \frac{1}{2} \times 7.05 \, \text{m/s}^2 \times (2.50 \, \text{s})^2
\]
\[
s = \frac{1}{2} \times 7.05 \times 6.25
\]
\[
s = 3.525 \times 6.25
\]
\[
s = 22.03125 \, \text{m}
\]
Final Answer
The distance Bill travels in the first 2.50 seconds is \(\boxed{22.03 \, \text{m}}\).