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3 years ago

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Balls colliding on a pool table are an example of how energy changes when objects collide. When two balls collide, the first bal

l loses speed and the second ball moves. what is the combined distance the two balls traveled? 5/10m + 33/100m

1 answer:

Lena [83]3 years ago

8 0

5/10= 50/100 + 33/100= 83/100..... Does that help?

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Car is moving on a circle on a plane. At time t (seconds), its x-coordinate is given by x(t) = 10 sin(200t + 3) + 30 while its y

Aleks [24]

Answer:

we have centre of circle as (30,40) and radius = 1

Step-by-step explanation:

Given that a car is moving on a circle on a plane.

At time t (seconds),

$x(t) = 10 sin(200t + 3) + 30$

and

$y(t) = 10 cos(200t + 3) + 40$

$x-30 = 10 sin(200t + 3) \\y-40 = 10 cos(200t + 3) + 40$

when we square and add both the equations we get

$(x-30)^2 + (y-40)^2 = 1$

(since sin square + cos square = 1 always)

i.e. we have centre of circle as (30,40) and radius = 1

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Answers are:
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