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KiRa [710]
3 years ago
9

1. ______ the volume of a gas.

Physics
2 answers:
uysha [10]3 years ago
8 0

Answer:

1 is A

2 is D

3 is C

Explanation:

i just took the test

Triss [41]3 years ago
7 0
Here are the answers to the given questions above.
1. Temperature and pressure determine the volume of gas. The answer for this would be option A.
2. W<span>hen energy is absorbed in process, the type of reaction it is is endothermic. The answer would be option D.
3. W</span><span>ater vapor turning is front is an example of evaporation. The answer would be option C.
Hope this helps.</span>
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A train traveling at 27.5 m/s accelerates to 42.4 m/s over 75.0 s. What is the displacement of the train in this time period
Sergio [31]

Answer:

2621.25 meters

Explanation:

First, write down what we are given.

Initial velocity = 27.5 m/s

Final velocity = 42.4 m/s

Time = 75 seconds

We need to look at the kinematic equations and determine which one will be best.  In this case, we need an equation with distance.  I am going to use v_{f}^{2} = v_{i}^{2} +2ad, but you can also use the other equation, x = v_{o}t+\frac{1}{2}at^{2}

We need to find acceleration.  To find it, we need to use the formula for acceleration: a = \frac{v_{f}-v_{i}}{t}.  Plugging in values, a = \frac{42.4-27.5}{75} = .199\ m/s^{2}

Next, plug in what we know into the kinematics equation and solve for distance.  42.4^{2} = 27.5^{2} + 2(.199)(d)\\d = 2621.25\ meters

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3 years ago
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Anit [1.1K]
What kinds of bonds can happen between the elements of a compound?

<span>Covalent and Ionic</span>

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