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amm1812
3 years ago
15

When energy is transferred from one part of a system to another, some of the

Physics
2 answers:
Bad White [126]3 years ago
7 0

Answer:

C. Friction between the moving parts of an airplane engine warms the parts as the engine burns fuel

A. An electric motor heats up as it powers a blender

Explanation:

just took the test

fenix001 [56]3 years ago
3 0

Answer:

its d

Explanation:

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A 3.5 kg object gains 76 J of potential energy as it is lifted vertically. Find the new height of the object?
Eduardwww [97]

Answer:

1.72 m

Explanation:

Potential energy = mgh, where m is mass, g is acceleration due to gravity (9.8), and h is height

76 = (3.5)(9.8)h

76=44.1h

h=1.72335600907 ≈1.72 m

8 0
3 years ago
Read 2 more answers
Find the distance traveled in one back-and-forth swing by the weight of a 12 in. Pendulum that swings through a 75 degree angle.
tia_tia [17]

The distance traveled by pendulum, in one back-and-forth swing is 75.75 inches.

The period of pendulum can be calculated by

T = 2\pi \sqrt {\dfrac Lg}

Where,

T - period

L - length = 12 inches

g- gravitational acceleration  = \bold {9.8\rm \ m/s^2}

Put the values,

T = 2\pi \sqrt {\dfrac {12}{9.8}}\\\\T = 2 \times 3.14 \times \sqrt {0.122}\\\\T = 2.191

Now, the angular displacement of the pendulum can be calculated by,

\theta = A\times\rm \  cos(\omega T)

Where,

A- amplitude

\theta - angle  = 75^o

\omega - angular displacement = 2\pi/T = 2.866 m

Put the values and calculate for \omega,

75 = A\times{\rm \  cos}(2.866\times 2.191)\\\\75 =A \times cos\ 6.26\\\\A =\dfrac {75}{0.99}\\\\A = 75.75 \rm \ inches

Therefore, the distance traveled by pendulum, in one back-and-forth swing is 75.75 inches.

To know more about Amplitude of pendulum,

brainly.com/question/14840171

4 0
3 years ago
Which choice can be correctly defined as “the sum of all charge in a closed system remains constant”?
Elena-2011 [213]

Answer:

Law conservation of charge (D)

Explanation:

8 0
3 years ago
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Find the speed of a wave with a frequency of 18 Hz and a wavelength of 6 meters. Show work. WILL MARK BRAINLIEST IF CORRECT
Katyanochek1 [597]

Answer:

so i would say 11.4 i dont have work only this link

Explanation:

https://flexbooks.ck12.org/cbook/ck-12-physics-flexbook-2.0/section/11.4/primary/lesson/wave-speed-ms-ps

3 0
3 years ago
According to the chart, which region of the country would be considered the most heavily religious?
PtichkaEL [24]
Northwest because we always use the compass to the country would be considered the most heavily religious.
3 0
3 years ago
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