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Stolb23 [73]
4 years ago
9

Amber has begun to cry when she is dropped off at daycare. This development likely occurred at what age? (2 points)

Physics
2 answers:
pychu [463]4 years ago
4 0
One year old (on average it would start at 7-9 months)
vovikov84 [41]4 years ago
3 0

I think it's one year old.
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The displacement vector from your house to the library is 520 m long, pointing 40 ∘ north of east.What are the x-component (x-ax
Alexeev081 [22]

Answer:

398.3 m, 334.2 m

Explanation:

The magnitude of the displacement vector is

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And its direction is

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measured as north of east.

The x-component of this vector is given by:

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While the y-component is given by

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7 0
3 years ago
What is the strength of the electric field 3.0 cm from a small glass bead that has been charged to + 8.0 nc ?
Debora [2.8K]
Thinking the small glass bead as a single point charge, the electric field generated by it is given by
E(r) = k_e  \frac{Q}{r^2}
where
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Q=8.0 nC=8.0 \cdot 10^{-9} C is the charge of the bead
r=3.0 cm=0.03 m is the distance at which we calculate the field.

Using these data, we find:
E=(8.99 \cdot 10^9 N m^2 C^{-2} ) \frac{(8.0 \cdot 10^{-9} C}{0.03 m)^2}=8.0 \cdot 10^4 N/C
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3 years ago
A bullet with a mass of 0.020 kg collides with a 2.5 kg wooden block at
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Answer:

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