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Xavier Hernandez

Questions (3)

2.0 kg particle-like object moves in a plane with velocity components vx = 30 m/s and vy = 35 m/s as it passes through the point
1. 1 answer
2. 980 views
A yo-yo has a rotational inertia of 760 g·cm2 and a mass of 200 g. Its axle radius is 4.0 mm, and its string is 100 cm long.
1. 0 answers
2. 489 views
A yo-yo has a rotational inertia of 760 g·cm2 and a mass of 200 g. Its axle radius is 4.0 mm, and its string is 100 cm long.
1. 1 answer
2. 731 views

i mean sin wherever it says cosine. My bad
the answer is: (5/x)*(cos(5ln(x))) In this problem: 1. Take the derivative of the cosine 2. Then take the derivative of whatever is inside the cosine. In this case (5ln(x)) 3. Do not change whatever is inside the cosine.
I got part a) but how do i do part b) ?
just part a...does anyone know how to do it?

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