Question

Complete the following Anology.
1) Speed : Scalars ::acceleration : _________ 2) momentum.= Kg.m/s :: 1Joule : _________​

Answer 1

Answer:

1) Vector

2)Kg x m x m / s x s

Explanation:

1) acceleration is a vector quantity because it requires or shows (to be precise ) both direction and magnitude

while speed just shows only magnitude not direction

2) joule represents the SI unit of energy

so the formula of energy = mass x height x acceleration due to gravity (g )

so when we represent joules in terms of fundemental quantities we get

E = Kg x m x m / s^2   (because SI unit of mass = Kg , height = m ,g = m/s^2)

so 1 joule = Kg x m^2 / s^2 or just as Kg x m x m / s x s

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