Afirecracker breaks up into two pieces, one of which has a mass of 200 g and flies off along the x-axis with a speed of 82.0 m/s. the second piece has a mass of 300 g and flies off along the y-axis with a speed of 45.0 m/s. what is the total momentum of the two pieces?

Total momentum, p = 21.24 kg-m/s

Explanation:

Given that,

Mass of first piece,

Mass of the second piece,

Speed of the first piece, (along x axis)

Speed of the second piece, (along y axis)

To find,

The total momentum of the two pieces.

Solve,

The total momentum of two pieces is equal to the sum of momentum along x axis and along y axis.

The net momentum is given by :

p = 21.24 kg-m/s

Therefore, the total momentum of the two pieces is 21.24 kg-m/s.

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explanation:

physics means: "the branch of science concerned with the nature and properties of matter and energy. the subject matter of physics, distinguished from that of chemistry and biology, includes mechanics, heat, light and other radiation, sound, electricity, magnetism, and the structure of atoms."