Question

A student performs an experiment in which two blocks, block x of mass 2kg and block y of mass 3kg, are tied together by a rope. The system containing block x and block y is dropped above earth’s surface in the orientation shown in figure 1. A motion detector below each block collected data that were graphed to show the velocity as a function of time for blocks x and y as they fell toward the ground. The graphs are shown in figure 2 and figure 3, respectively. The positive direction is considered to be down. The change in momentum for the system containing block x and block y is most nearly

Answer 1

The change in momentum for the system containing both blocks will be 250 kg m/s.

How to calculate the momentum?

The momentum of an object simply means the product of the mass and the speed of the object.

In this case, the change in momentum will be:

P = (2 + 3)50

P = 5 × 50

P = 250 kg m/s

In conclusion, the change in momentum is 250 kg m/s.

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