Answer:
1.9 kg*m/s, west
Explanation:
Momentum is the quantity of motion a body possesses.
It is expressed as:
Momentum = mass x velocity
The unit of mass is kg; velocity is in m/s
So momentum unit is kgm/s
Also, this quantity is a vector, so, it not only has magnitude, the direction must be included
The correct option is D, which is 1.9 kg*m/s, west.
Momentum is defined as the quantity of motion an object has.
For example, if a stone is moving down the slope the stone will have some momentum, which will be the quantity of motion the stone will have.
Further, the momentum(p) is given as a product of mass and velocity. And it is written as,
[tex]\bold{Momentum = mass \times velocity}[/tex],
[tex]p = m\times v[/tex] .
For, the unit of momentum,
[tex]\begin{aligned}Momentum&= mass \times velocity\\&= kg \times m/sec \end{aligned}[/tex]
thus, the unit for momentum is kg m/sec.
From all the given options, only option D shows the correct unit for momentum. therefore, the correct option is D, which is 1.9 kg*m/s, west.
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