Question

class 9 physics .................. ​

Answer 1

Answer:

a) 12m/s

b) 720m

Explanation:

The explanation is above

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Answer 2

Answer:

In Newtonian mechanics, linear momentum, translational momentum, or simply momentum is the product of the mass and velocity of an object. It is a vector quantity, possessing a magnitude and a direction. If m is an object's mass and v is its velocity, then the object's momentum is: \mathbf{p} = m \mathbf{v}