Final answer:
The acceleration of the 2.3 kg toy car with a net force of 18.2 N (after subtracting the frictional force) is 7.91 m/s².
Step-by-step explanation:
The acceleration of a toy car can be calculated using Newton's second law of motion, which states that the net force acting on an object equals its mass times its acceleration (F = ma). In this question, the toy car with a mass of 2.3 kg experiences a forward force of 25 N and a frictional force of 6.8 N opposing the motion.
First, we calculate the net force acting on the car by subtracting the frictional force from the forward force:
- Net force = Forward force - Frictional force
- Net force = 25 N - 6.8 N
- Net force = 18.2 N
Next, we use the net force and the mass of the car to find the acceleration:
- Acceleration (a) = Net force / Mass
- Acceleration (a) = 18.2 N / 2.3 kg
- Acceleration (a) = 7.91 m/s²
The acceleration of the toy car is 7.91 m/s².