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Q: When the velocity of an object is doubled by what factor is its momentum changed?

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Momentum also increases by the factor of 2 .

Momentum is mass times velocity - therefore, momentum would also double.

Momentum is proportional to both velocity and mass; therefore in this case, momentum would increase by a factor of 2 x 2 = 4.

With any two of the three values of velocity, momentum and mass, the third can easily be calculated. (Momentum) = (Velocity) x (Mass) If you were to multiply the velocity by some factor, the momentum would also be multiplied by that same factor. These are directly proportional.

yes momentum is mass times velocity

It will increase by a factor of 4 (2 squared).

By definition p=mv: momentum = mass * velocity (speed if you don't care about direction)

KE=(1/2)(m)(v2) since speed is absolute value of velocity, but velocity is squared, (speed)2=(velocity)2 then doubling the speed with no change in mass will change the KE by a factor of; 22=4

Mass and Velocity(speed) affects an object's momentum. The object's weight doesn't. Spacecraft have tons of momentum in space, although they have almost no weight there.

From the Bernoulli equation, pressure drop increases with the square of velocity. So if the velocity is doubled the pressure drop will increase by a factor of four.

Being proportional means that if you change one by a given factor, the other will change by that factor as well. Being proprtional to both means it is proportional to their product, i.e. momentum equals mass times velocity, p = mv.

potential energy

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