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3 years ago

According to the kinetic theory, all matter is composed of _______.

Physics

2 answers:

drek231 [11]3 years ago

5 0

Answer:

According to the kinetic theory, all matter is composed of _______.

Explanation:

The Kinetic Theory of Matter states that matter is composed of a large number of small particles, individual atoms or molecules, that are in constant motion. Matter is made up of particles that are constantly moving. All particles have energy, but the energy depending on the temperature of which matter is in.

9966 [12]3 years ago

3 0

Answer:

the kinetic theory of matter stated that all matter is made of small particles that are in a random motion and that have space between them. this means that no matter what phase matter is in, it is made of separate, moving particles.

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A 500N person stands 2.5m from a wall against which a horizontal beam is attached. The beam is 6m long and weighs 200N. A cable

Vinil7 [7]

PART A)

Here by force balance along Y direction

$Tsin45 + F_y = 500 + 200$

Force balance along X direction

$Tcos45 = F_x$

now by torque balance

$Tsin45 (6) = 500 (2.5) + 200 (3)$

$T(4.24) = 1250 + 600$

$T = 436.3 N$

PART B)

now from above equations

$Tsin45 + F_y = 700$

$F_y = 391.5 N$

$F_x = Tcos45 = 308.5 N$

now net reaction force of wall is given as

$F = \sqrt{F_x^2 + F_y^2}$

$F = 498.4 N$

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3 years ago

If Paula travels 3 km south and turns and goes 4 km east, what is the total displacement? What is the total distance? Please Exp

Ulleksa [173]

N
W E
S
Paula has gone 1 km east as the total displacement. The total distance would be 7 km. Why? Well, the difference between displacement and distance is displacement is directional which is why it’s included in velocity and not speed. However, distance is more broad and not as specific.

3 0

3 years ago

F = 50 N<br> m = 72 kg<br> m/s2

lyudmila [28]

Answer:

Explanation:

F=ma

a=F/m

a=50/72=

a=0.694

3 0

3 years ago

Do you have a lawn mower engine running for 20 minutes does 4,560, 000 J of work. What is the power output of the engine?

alekssr [168]

Answer:

P = 3800 W

Explanation:

Power is equal to energy divide by time P = E/t

plug in 4560000 J for energy

convert 20 minutes to seconds

20 * 60 = 1200 seconds

plug in 1200 seconds for time

P = 4560000/1200

P = 3800 W

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MissTica

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2 years ago