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Annette [7]
3 years ago
5

Is the Force balanced or unbalanced?

Physics
1 answer:
Alexus [3.1K]3 years ago
3 0

Answer:

1. balanced

2. unbalanced

3. balanced

4. balanced

5. unbalanced

6. unbalanced

7. unbalanced

8. balanced

9. unbalanced

10. unbalanced

11. unbalanced

12. balanced

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Write the characteristic of aluminum​
cluponka [151]

Answer:

see below

Explanation:

alluminium is,

1.lustrous

2.highly malleable

3.reactive metal

4.some times acts as non metal

5.good conductor

6.obtained from bauxite

7.Atomic number 13 so electrons and protons are 13

8.neurons are 14

9.ductile

10.melting point is very high approximately 660 degree celsius.

6 0
3 years ago
Read 2 more answers
a horizontal 4-cm-diameter water jet with a velocity of 18 m/s. He impinges the jet normally upon a vertical plate of mass 750 k
zmey [24]

Answer:

0.5429 m/s^2

Explanation:

velocity of waterjet = 18 m/s

diameter of water jet ( d ) = 4 cm = 0.04 m

mass of vertical plate(m) = 750 kg

<u>Determine the acceleration of plate when the jet first strikes ( i.e. t = 0 )</u>

first we will determine the impact force

F = β*A*V^2 ----- ( 1 )

where ; β = 1000 kg/m^3  ,  A = π/4 * d^2 , V = 18 m/s

input values into equation 1

F = 407.15 N

<em>finally determine the acceleration at t = 0 </em>

F = m*a

a = F / m =  407.15 / 750 = 0.5429 m/s^2

6 0
3 years ago
The equation for a travelling wave is y = 4.6 Sin (3t-8x) Find: (a) Its frequency (b) Its wave length (c) Speed of the wave.​
Kaylis [27]

Explanation:

Explanation:

Y = 5 Sin27(.2x-3t)

= 5 Sin(5.4x - 81 t)

Amplitude = 5 m

Angular frequency w = 81

frequency = w/ 2π = 81/(2 x 3.14)

-12.89

Wave length λ = 2π/ k,

k = 5.4

λ = 2π/ 5.4

= 1.163 m

Phase velocity=w / k

= 81/5.4

15 m/s.

The wave is travelling in + ve x - direction.

hope help

6 0
3 years ago
An air mass gets its temperature and humidity characteristics from
nikklg [1K]
The atmosphere....................................
4 0
3 years ago
một mạch điện gồm hai điện trở r1 và r2 mắc song song với nhau. khi mắc vào hai đầu đoạn mạch một hiệu điện thế U=3V thì hiệu đi
Natalija [7]

Answer:

một mạch điện gồm hai điện trở r1 và r2 mắc song song với nhau. khi mắc vào hai đầu đoạn mạch một hiệu điện thế U=3V thì hiệu điện thế giữa hai đầu điện trở r là bao nhiêu

7 0
3 years ago
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