Question

A 1500 kg car on flat ground is moving 5.25 m/s. Its engine creates a 1250 N forward force as the car moves 42.8 m. What is its final velocity?

(Unit = m/s)

Answer 1

The car's final velocity is 58.75 m/s.

Step-by-step explanation:

To find the car's final velocity, we can use the equation:

Final velocity = Initial velocity + (Net force / mass) * distance

Given:

• Initial velocity = 5.25 m/s
• Net force = 1250 N
• Mass = 1500 kg
• Distance = 42.8 m

Plugging these values into the equation:

Final velocity = 5.25 m/s + (1250 N / 1500 kg) * 42.8 m

Final velocity = 5.25 m/s + 1.25 m/s^2 * 42.8 m

Final velocity = 5.25 m/s + 53.5 m/s

Final velocity = 58.75 m/s