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sammy [17]
3 years ago
10

________ is the average kinetic energy of each atom. radiation temperature potential

Physics
1 answer:
SSSSS [86.1K]3 years ago
8 0
It could be radiation because radiation means <span>the emission of energy as electromagnetic wave, but potential fits it best</span>
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Use the dot product to find the magnitude of u if u = 6i - 3j
LuckyWell [14K]
Vector u :
u = 6 i - 3 j
The magnitude of vector u :
| u | = \sqrt{6 ^{2}+(-3) ^{2}  } = \sqrt{36+9}= \\  \sqrt{45}= \sqrt{9*5}=3  \sqrt{5}
Answer:
The magnitude of vector u is 3√5. 
3 0
3 years ago
An attack helicopter is equipped with a 20- mm cannon that fires 87 g shells in the forward direction with a muzzle speed of 853
uysha [10]

Answer

given,

mass of the shell = 87 g = 0.087 Kg

speed of the muzzle = 853 m/s

mass of the helicopter = 4410 kg

A burst of 176 shell fired in 2.93 s

resulting average force = ?

momentum of the shell = m v

                                       = 0.087 x 853

                                       = 74.21 kgm/s

momentum of 176 shell is = 176 p

                                          = 176 x 74.21

                                          = 13060.96

momentum of helicopter = - 13060.96 kgm/s

amount of speed reduce a = \dfrac{13060.96}{M}

                                          a= \dfrac{13060.96}{4410}

                                          a = 2.96 m/s²

velocity  = \dfrac{2.96}{2.93}

      v = 1.01 m/s

5 0
3 years ago
Read 2 more answers
Please help ASAP
Mandarinka [93]

Answer:

5cm by 4cm by 10cm = 200

200 / 10 = 20

20 :>

6 0
2 years ago
A very long straight wire has charge per unit length 1.56×10−10 C/m .
77julia77 [94]

Answer:

The magnitude of the electric field equal to 2.40 N/C at 1.1537m from the wire.

Explanation:

using Guass law,

(guessing that a cylinder of radius r and length L around wire such that wire is at centre )

E. A = qin / e0

E ( 2πr L ) = (1.56 x 10^{-10} x L) / (8.85 x 10^{-12})

E = (1.56 x 10^{-10} ) / (2πr x 8.85 x  10^{-12})

so 2.40 = (1.54 x 10^{-10} ) / (2πr x 8.85 x 10^{-12})

2.40 (6.284r) = 0.174 x 10²

15.0816r = 17.4

r = 1.1537m

6 0
3 years ago
HELP!!
Neko [114]

Answer:

a heterogeneous mixture

Explanation:

6 0
3 years ago
Read 2 more answers
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