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Darina [25.2K]
3 years ago
7

Energy that does not involve the large-scale motion or the position of objects in a system is called a. potential energy. b. mec

hanical energy. c. nonmechanical energy. d. conserved energy.
Physics
2 answers:
docker41 [41]3 years ago
4 0

Answer:

C

Explanation:

Kamila [148]3 years ago
3 0

Answer:

the correct answer is C. non mechanical energy  

Explanation: The stored energy resulting from the relative positions of objects in a system. The energy of a moving object due to its motion. The sum of the kinetic and potential energy of large-scale objects in a system. Energy that lies at the level of atoms and that does not affect motion on a large scale.

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What term describes how far an object moves in a certain amount of time
stepan [7]

Answer:

1. Speed

Explanation:

"how far an object moves in a certain amount of time"

"how far an object moves"- <em>distance</em>

"In a " - <em>over</em>

"certain amount of time" - <em>time</em>

<em>Distance over time is speed. </em>

The speed of an object is the distance the object travels in one unit of time.

<em>Hope I Helped, Feel free to ask any questions to clarify :)</em>

<em>Have great day!</em>

<em>            -Aadi x</em>

8 0
3 years ago
An airplane has an effective wing surface area of 19.4 m2 that is generating the lift force. In level flight the air speed over
alexgriva [62]

Answer:

W =23807.68 N

Explanation:

given,

surface area of wing = 19.4 m²

speed over top wing = 67 m/s

speed under wing = 51 m/s

density of air =  1.3 kg/m³

weight of plane

From Bernoulli's principle

P_1 + \dfrac{1}{2}\rho v_1^2 = P_2 + \dfrac{1}{2}\rho_2^2

where 1 and 2 are two different locations at the same geo potential level  

so if we call 1 the lower surface and 2 the upper surface,

we find the pressure differential, P₁ -P₂

\Delta P =\dfrac{1}{2}\rho (v_2^2-v_1^2)

\Delta P =\dfrac{1}{2}\times 1.3 \times (67^2-51^2)

\Delta P =1227.2\ N/m^2

then the force acting on the plane is

F=P A

F=1227.2 x 19.4

F =23807.68 N

weight of the plane

W =23807.68 N

7 0
3 years ago
In cloud formation, water vapor turns into water droplets which get bigger and bigger until it rains.
True [87]

Answer:

a. get warmer.

Explanation:

When the water vaporous reach the upper layer of the atmosphere they get a cooler air to which they loose their temperature and condense to form clouds as a the temperature of the air increases.

It may be noted that the water looses its high amount of latent heat of vaporization to condense into water this significantly increases the temperature of the air in contact.

4 0
3 years ago
Which of the following represents the subparticles for magnesium?
melomori [17]
The last one, 12p 12e 12n
6 0
3 years ago
After t hours a freight train is s(t) = 18t2 − 2t3 miles due north of its starting point (for 0 ≤ t ≤ 9). (a) Find its velocity
BartSMP [9]

Answer:

Explanation:

Given the equation modelled by the height of the train given as:

s(t) = 18t²-2t³ for for 0 ≤ t ≤ 9

a) Velocity is the rate of change of displacement.

Velocity = dS(t)/dt

V = dS(t)/dt = 36t - 6t² miles

Velocity at t = 3hrs is determiner by substituting t = 3 into the velocity function.

V = 36(3) -6(3)²

V= 108 - 72

Velocity = 36mi/hr

b) for Velocity at time = 7hrs

V(7) = 36(7) - 6(7)²

V(7) = 252 - 294

V(7) = -42mi/hr

The velocity at t = 7hrs is -42mi/hr

c) Acceleration is the rate of change of velocity.

a(t) = dV(t)/dt

Given v(t) = 36t - 6t²

a(t) = 36 - 12t

Acceleration at t=1 is given as:

a(1) = 36 -12(1)

a(1) = 24mi/hr²

4 0
3 years ago
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