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MissTica
3 years ago
9

Which object has the greatest momentum...and why

Physics
2 answers:
damaskus [11]3 years ago
7 0
The formula for momentum is p=mv where p is the momentum (kgms-1), m is the mass (kg) and v is the velocity (ms-1). So, to work out the momentum, we just multiply these numbers together and work out which is the largest.

1) 12kgms-1
2) 10kgms-1
3) 27kgms-1
4) 16kgms-1

Therefore the object with the greatest momentum is 3 - a 9kg mass moving at 3m/s
kap26 [50]3 years ago
6 0

Answer:

Object 3 has the greatest momentum, because the mass is small enough compared with the velocity of the object.

Explanation:

The momentum is defined as:

p = mv  (1)

                             

Where m is the mass and v is the velocity.

Therefore, the value for the mass and velocity of each object can be replaced in equation 1:

                                 

<em>1) Case for m = 12  kg and v= 1 m/s</em>

p = (12kg)(1m/s)

p = 12kg.m/s

<em>2) Case for m = 5  kg and v= 2 m/s</em>

p = (5kg)(2m/s)

p = 10kg.m/s

<em>3) Case for m = 9  kg and v= 3 m/s</em>

       

p = (9kg)(3m/s)

     

p = 27kg.m/s

<em>4) Case for m = 4  kg and v= 4 m/s</em>

p = (4kg)(4m/s)

p = 16kg.m/s

                 

Hence, Object 3 has the greatest momentum (27kg.m/s), because the mass is small enough compared with the velocity of the object.  

<em>Summary:</em>

Remember that the momentum establishes the quantity of movement that any object can have as a consequence of its mass and its velocity.

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