The car reaches its top speed when the constant thrust force equals the opposing air resistance force, resulting in zero net external force and constant velocity. This balance between thrust and resistance forces determines the top speed.
When the applied thrust force typically supplied by the engine equals the total of the opposing forces pushing on the vehicle, the vehicle reaches its maximum speed.
Air resistance, or drag, is the main opposing force and it grows as the car's speed squares. The car first accelerates because the propulsion force overcomes this resistance as it accelerates. But the air resistance force likewise increases with the car's speed until it reaches the same level as the thrust force.
The car now maintains a steady velocity when it reaches its maximum speed and the net external force acting on it zeroes. The maximum speed is also influenced by other elements like mechanical efficiency and rolling resistance.
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Answer:
if the friction was removed from the ramp, the acceleration would drasticly increase, making it hard to stop.
Explanation:
Answer:
The highlight
Answer:
5m/s
Explanation:
The skier accelerates at 1 m/s, then, the acceleration is:
to find the speed after 5 seconds you use the following formula:
but vo = 0m/s because the skier is at rest at the beginning.
You do v the subject of the formula:
hence, the velocity is 5m/s