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abruzzese [7]
3 years ago
5

What is the scale factor of ABC to DEF?

Physics
2 answers:
romanna [79]3 years ago
7 0

Answer:

6

Explanation:

12/2=6

24/4=6

24/4=6

andrew11 [14]3 years ago
3 0

Answer:

option C = 6

Explanation:

it is because

BC × 6 = EF

⇒ 4 × 6 = 24

and the same applies for the others

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Un auto si muove lungo una strada rettilinea​
Valentin [98]

Answer:

Un'auto si muove lungo un percorso rettilineo con velocità variabile come mostrato in figura. Quando l'auto è in possesso di A, la sua velocità è 10 ms-1 e quando è in posizione B, la sua velocità è 20 ms-1. Se l'auto impiega 5 secondi per spostarsi da A a B, trova l'accelerazione dell'auto.

Explanation:

8 0
3 years ago
If a light ray from a candle strikes a mirror at an angle of 40° with the normal, at what angle will the ray reflect?. Select on
tekilochka [14]

Answer: The correct answer is option (C).

Explanation:

Law of reflection:

  • Angle of incident is equal to angle of reflection;∠i=∠r
  • Incident ray, reflected ray and normal to the reflecting interface at the point of incidence all lie in same plane.

When light ray from candle strikes a mirror at an angle of 40° with the normal, then the angle at which ray reflected back will 40°.


6 0
4 years ago
Read 2 more answers
A heat pump receives heat from a lake that has an average winter time temperature of 6o C and supplies heat into a house having
Natalija [7]

Answer:

Explanation:

60000 kJ / h = 60000 x 1000 / (60 x 60 )

= 16667 J /s

a)

\frac{Q_H}{W} =\frac{T_H}{T_H-T_C}

where Q_H and W are heat supplied and heat given from  outside source .

Here Q_H = 16667 J/s

\frac{T_H}{T_H-T_C}=\frac{298}{298-279}

= 15.684

Q_H = 16667 J/s

16667 / W = 15.684

W= minimum power supplied  = 1062.7 W.

b )

If  T_C=283K

\frac{T_H}{T_H-T_C}=\frac{298}{298-283}

=19.87

\frac{Q_H}{W} = 19.87

W=\frac{Q_H}{19.87}

W=\frac{16667}{19.87}

= 838.8 W .

4 0
3 years ago
If a star's radiation peaks in the ultraviolet region of the spectrum, you would not be able to see it. true or false.
slega [8]

the answer would be false

hope I helped and goodluck

:)

6 0
3 years ago
Read 2 more answers
When two systems in contact are not at the same temperature, _____ occurs.
Korvikt [17]
The answer is "heat transfer."
6 0
3 years ago
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