2 years ago

Which best describe the kinetic energy of the particles in solids, liquids, and gases? Check all that apply.

Physics

2 answers:

AleksandrR [38]2 years ago

8 0

The Answers to this question are 1,3,5 on Edginuity

Mashcka [7]2 years ago

4 0

It should be answer 1

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Objects 1 and 2 attract each other with a electrostatic force of 72.0 units. If the charge of object 1 is doubled AND the charge

lbvjy [14]

Answer:

432 units

Explanation:

Let the charges be q and Q separated by a distance r. The electrostatic force , F = kqQ/r² = 72 units. If q = 2q and Q = 3Q, then the new electrostatic force is

F = k × 2q × 3Q/r² = 6kqQ/r² = 6 × 72 = 432 units

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2 years ago

Which statement correctly describes the gravitational potential energy of the pendulum based on this diagram?

MrRa [10]

I think it's 'C' but I won't know for sure until you let me see the diagram.

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3 years ago

Multiple-Concept Example 6 reviews the concepts that play a role in this problem. A diver springs upward with an initial speed o

adell [148]

Answer:

Part a)

$v_f = 7.99 m/s$

Part b)

$y = 3.25 m$

Explanation:

Part a)

Since the diver is moving under gravity

so here its acceleration due to gravity will be uniform throughout the motion

so here we will have

$v_f^2 - v_i^2 = 2 a y$

here we have

$v_i = 2.22 m/s$

$y = -3 m$

$v_f^2 - (2.22)^2 = 2(-9.81)(-3)$

$v_f = 7.99 m/s$

Part b)

at highest point of his motion the final speed will be zero

so we will have

$v_f^2 - v_i^2 = 2 a (\Delta y)$

$0 - 2.22^2 = 2(-9.81)(y - 3)$

$y = 3.25 m$

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2 years ago

An environmentally-conscious student is breaking the rings from a six-pack drink holder before disposing of it. This reduces the

katrin2010 [14]

Answer: seen below.

Explanation:

Firstly we need to remember what exothermic reaction is in thermodynamics. exothermic reaction describes a process or reaction that releases energy from the system to its surroundings, usually in the form of heat, but also in a form of light, sound, or electricity.

In this scenario, due to the heating up nature noticed by the ring during breaking shows that energy is being released to the surrounding in the form of heat which suggest it being an exothermic reaction.

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3 years ago

Scientists use _____ as chemical symbols.

love history [14]

A single element on the periodic table

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2 years ago

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