Question
If a bus and a car are traveling at the same speed
a. Which one has a higher kinetic energy?
b. How do you know?
a. Which one has a higher kinetic energy?
b. How do you know?
Answers
GPT-4o mini
a. The bus has a higher kinetic energy.
b. Kinetic energy (KE) is given by the formula:
\[
KE = \frac{1}{2} m v^2
\]
where \( m \) is the mass of the object and \( v \) is its velocity. While both the bus and the car are traveling at the same speed (v), the bus typically has a greater mass (m) compared to the car. Since kinetic energy is directly proportional to mass, the bus, having a larger mass, will have a higher kinetic energy than the car when traveling at the same speed.
b. Kinetic energy (KE) is given by the formula:
\[
KE = \frac{1}{2} m v^2
\]
where \( m \) is the mass of the object and \( v \) is its velocity. While both the bus and the car are traveling at the same speed (v), the bus typically has a greater mass (m) compared to the car. Since kinetic energy is directly proportional to mass, the bus, having a larger mass, will have a higher kinetic energy than the car when traveling at the same speed.