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Brut [27]
3 years ago
12

A _____ is a quantity that has magnitude and direction

Physics
1 answer:
Snezhnost [94]3 years ago
7 0

vector is the answer of this blank

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Dropping it on a hard surface. 
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[04.05] An atom has an atomic number of 12 and a mass number of 25. How many neutrons does the atom have?​
gizmo_the_mogwai [7]

Answer: is  13

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2 years ago
Two bodies fall freely from different heights and reach the ground simultaneously. The time of descent for the first body is 1s
jok3333 [9.3K]
The initial height of the first body is given by:
h_1 =  \frac{1}{2}gt^2
where
g is the gravitational acceleration
t is the time it takes for the body to reach the ground
Substituting t=1 s, we find
h_1 =  \frac{1}{2}(9.81 m/s^2)(1 s)^2=4.9 m

The second body takes takes t=2 s to reach the ground, so it was located at an initial height of
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The second body started its fall 1 second before the first body, therefore when the second body started its fall, the first body was located at its initial height, i.e. at 4.9 m from the ground.
6 0
3 years ago
What is tan(16°)?<br><br> A. 0.96<br> B.0.16<br> C.0.39<br> D.0.29
Alex Ar [27]

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Explanation:

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What molecular geometry would be expected for f2 and hf?
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The molecular geometry of both F2 and HF is linear.

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F --- F

H---F

So, both are linear.

4 0
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