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The most likely equation you would use would be Newton's 2nd Law of Motion. Namely:
Force = mass X acceleration

This is impossible to answer. You would need to know the mass of the car in order to figure out a necessary stopping force.

Also, you need to know over how long a time frame the change in speed happened over to calculate the negative acceleration.

For example, the force required to slow a 1 000 kg car from 35 to 5 mph (about 15.6 m/s to 2.2 m/s) in 5 seconds would be found like this:

Force = 1 000 kg X [(15.6-2.2 m/s)/ 5 s]

Force = 1 000 kg X (13.4 m/s / 5 s)

Force = 1 000 kg X 2.68 m/s2

Force = 2 680 kg m/s2

Force = 2 680 Newtons in the direction opposite to the travel of the car.

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When At 20 mph the force of your car impacting a surface is about four times as great as 10 mph.?

The force of impact of a car is directly related to its speed squared. This means that doubling the speed from 10 mph to 20 mph results in a fourfold increase in impact force. This is why higher speeds result in significantly greater impact forces during collisions.


Is it true that at 60 mph the force of your car impacing a surface is about four times as great as 30 mph?

Yes, the force of impact is proportional to the square of the velocity, so at 60 mph, the force of impact is roughly four times greater than at 30 mph. This is due to the increased kinetic energy at higher speeds.


Does your vehicle traveling at 20 mph the force of the car impacting a surface is two times as great as 10 mph?

No, the force of impact is not directly proportional to velocity. The force of impact is determined by factors such as the mass of the vehicle and the effectiveness of its brakes in stopping it.


If a car is moving at a steady speed of 50 mph what forces will be acting on it?

When a car is moving at a steady speed of 50 mph, the main forces acting on it are the force of friction between the tires and the road (rolling resistance), air resistance, and the force from the engine propelling the car forward. Additionally, there may be gravitational forces acting on the car depending on the incline or decline of the road.


How can opposite words like fast and slow be the same speed?

Opposite words like "fast" and "slow" can refer to the same speed in a relative sense. For example, a car moving at 50 mph might be considered "fast" compared to a runner, but "slow" compared to a racing car. The perception of speed is subjective and depends on the context in which it is being compared.

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When At 20 mph the force of your car impacting a surface is about four times as great as 10 mph.?

The force of impact of a car is directly related to its speed squared. This means that doubling the speed from 10 mph to 20 mph results in a fourfold increase in impact force. This is why higher speeds result in significantly greater impact forces during collisions.


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Is it true that at 60 mph the force of your car impacing a surface is about four times as great as 30 mph?

Yes, the force of impact is proportional to the square of the velocity, so at 60 mph, the force of impact is roughly four times greater than at 30 mph. This is due to the increased kinetic energy at higher speeds.


How many newtons does a car going 30mph have?

The force of an object in motion, such as a car traveling at 30 mph, can be calculated using the formula Force = mass x acceleration. Without the mass of the car, we cannot determine the force in newtons.