Is is true the state of a medium helps determine the speed of sound passing through the medium

Answers

Answer 1

Answer: Ya, how'd you know, research?

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A 2-kg bowling ball sits on top of a building that is 40 meters tall. Circle one: KE / GPE / both Show your work for finding the values of each type of energy the object has:2. A 2-kg bowling ball rolls at a speed of 5 m/s on the roof of the building that is 40 tall. Circle one: KE / GPE / both Show your work for finding the values of each type of energy the object has: 3. A 2-kg bowling ball rolls at a speed of 10 m/s on the ground. Circle one: KE / GPE / both Show your work for finding the values of each type of energy the object has: 1. A 1,000-kg car has 50,000 joules of kinetic energy. What is its speed?2. A 200-kg boulder has 39,200 joules of gravitational potential energy. What height is it at? 3. A 1-kg model airplane has 12.5 joules of kinetic energy and 98 joules of gravitational potential energy. What is its speed? What is its height?
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What is same about all myriapods

Answers

They all have segmented limbs, a hard exoskeleton, a pair of antennae and a segmented body.

How is power defined?A.the quantity of work accomplished
B.the direction of the work
C.the total distance an object is moved
D.the rate at which work is accomplished
Please Help

Answers

The correct answer to this question is D) The rate at which work is accomplished.

EXPLANATION:

Let us consider a body performs W amount of work due to the application of some external forces.

Let the body does that work during the time interval of t seconds.

Hence, the power of the body is defined as the rate of doing work or the work done per unit time. We know that energy is the capacity to do work. So, power can be defined as the rate of consumption of energy.

Mathematically power can be written as -

Power P = $(W)/(t)$ .

Hence, the correct definition of power is that the rate at which work is accomplished.

The power is the rate at which work is accomplished, option $D$ is correct.

Further Explanation:

The power is the rate of transformation energy which is used by another body.

The power is the quantity with only magnitude so it is a scalar quantity. The standard of international unit is watt, it is also written as J/s. The standard of international unit watt in honor of James Watt.

A quantity is said as a vector if it has some magnitude and direction in order to give the details regarding the quantity.

A quantity is said as a scalar if it has only the magnitude in order to give the details regarding the quantity.

Concept:

The term power is defined as “The rate at which the work is finished or the energy is transferred from one place to another or transformed into another form.”

The term energy is defined as the capacity to do work or result in some displacement by applying some force.

The expression for power is:

$\fbox{\begin\np =\frac{{\Delta w}}{{\Delta t}}\end{minispace}}$

Here, $p$ is the power, $\Delta w$ is the change in energy and $\Delta t$ is the change in the time.

Therefore, the power is the rate at which work is accomplished, option $D$ is correct.

Learn more:

1. Work and power brainly.com/question/9566221

2. Calculate power brainly.com/question/2829572

3. Energy and SI unit https://brainly.in/question/1227001

Answer Details:

Grade: Middle school

Subject: Physics

Chapter: Kinematics

Keywords:

Define, power, quantity, work, accomplished, direction, total distance, object, moved, rate, option, D.

In a parallel circuit, the current in each branch of the circuit is determined by

Answers

Answer:

resistances in parallel combination of resistance.

1/Rp = 1/R1 + 1/R2 + 1/R3....

The potential difference will be V.

By applying Ohm's law,

V = IR

Can someone please help me answer 14 and 15??

Answers

14. The Aurora is an incredible light show caused by collisions between electrically charged particles released from the sun that enter the earth's atmosphere and collide with gases such as oxygen and nitrogen. The lights are seen around the magnetic poles of the northern and southern hemispheres.

15.
About 5.4 billion years from now, the sun will have exhausted all of its hydrogen. The sun's core will get really hot and dense, thus shrinking; however, the outer region of the sun will expand and grow. ... Even if the expanding dying sun doesn't reach Earth, the sun's high temperatures will completely burn the planet.

how far away is all 9 planets from the sun

Answers

I'll provide the average distance for each since the orbit of each of the planets is not a perfect circle. The distance varies (M= Miles)

Mercury= 36,000,000 M
Venus= 67,200,000 M
Earth= 93,000,000 M
Mars= 141,600,000 M
Jupiter= 483,600,000 M
Saturn = 888,200,000 M
Uranus = 1,789,500,000 M
Neptune = 2,798,650,000
Pluto = 3,674,500,000 M

The distance of each planet from the sun varies from each other. Mercury is 58 kilometres away, Venus is 108 kilometres away while the earth is 150 kilometres away from the sun. Mars is 228 kilometres away from the sun while Jupiter is 778 kilometres away and Saturn is 1430 kilometres away from the sun. Uranus is 2870 kilometres away from the sun, while Neptune and Pluto are 4,500 kilometres and 5,910 kilometres away from the sun.

Which has more inertia? A bowling ball or a whiffle ball? Why?

Answers

Bowling ball would be your answer since it has the most mass.

A wiffleball because it's smaller

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