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4 years ago

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angie, brad, and carlos are discussing a physics problem in which two identical bullets are fired with equal speeds at equal-mas

s wood and steel blocks resting on a frictionless table. one bullet bounces off the steel block while the second becomes embedded in the wood block.

1 answer:

disa [49]4 years ago

5 0

The question didnt fit in the are provided

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What is the magnitude of the sum of the two vectors A = 36 units at 53 degrees, and B =47 units at 157 degrees.

Thepotemich [5.8K]

Answer:

51.82

Explanation:

First of all, let's convert both vectors to cartesian coordinates:

Va = 36 < 53° = (36*cos(53), 36*sin(53))

Va = (21.67, 28.75)

Vb = 47 < 157° = (47*cos(157), 47*sin(157))

Vb = (-43.26, 18.36)

The sum of both vectors will be:

Va+Vb = (-21.59, 47.11) Now we will calculate the module of this vector:

$|Va+Vb| = \sqrt{(-21.59)^2+(47.11)^2}=51.82$

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