Q: You are in a car going 70 kmh and another car passes you going in the opposite direction at 70 kmh. do both cars have the same velocity?

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You already answered the question. Both cars are traveling at 70kmph, which is the same velocity.

Velocity is direction and speed so the vehicle do not have the same velocity

Mathematical refraction is when we use the mathematical formula to calculate the velocity of light as it passes from one medium to another.

The segment that passes through a vertex and is perpendicular to the opposite side is called the altitude of the triangle.

As, in the velocity-time graph, curves passes through zero means 'when time is zero velocity is zero'. Velocity is time derivative of displacement. So displacement is maximum or minimum when time is zero in position-time graph.

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No. Since velocity is a vector, the direction of the magnitude (speed) is also relevent. First which car is moving in a positive direction (either is correct) --- v = +70 km/h. Since the other car is moving in the opposite direction, its velocity is -70 km/h.

You already answered the question. Both cars are traveling at 70kmph, which is the same velocity.

Velocity is direction and speed so the vehicle do not have the same velocity

refraction

Refraction is the change in direction of a wave as it passes from one medium to another. This change occurs because the wave changes speed when it moves from one medium to another, causing it to bend.

Air resistance, also known as drag, opposes the motion of an object as it moves through the air. This force increases as the speed of the object increases and can affect the object's velocity and acceleration.

refraction

Light changes speed and direction as it passes from one medium to another due to the change in density between the two media. This change in speed and direction is known as refraction.

The wavelength is equal to the local velocity of sound divided by the frequency, As with light, there can be refraction when sound passes from one medium to another with a different sound velocity.

Refraction of a wave occurs when it changes direction as it passes from one medium to another with a different speed, due to a change in its velocity. This change in velocity causes the wave to bend at the boundary between the two mediums. The amount of bending depends on the change in speed and the angle at which the wave enters the new medium.

The bending of light due to a change in its velocity is called refraction. This occurs when light passes from one medium to another with a different optical density, causing the light to change speed and direction. Refraction is responsible for phenomena such as the bending of light in a magnifying glass or the creation of rainbows.

Refraction.