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seropon [69]
2 years ago
8

Sino ang legendary hacker ng pilipinas?​

Physics
1 answer:
suter [353]2 years ago
5 0

Answer:

Onel de guzman now he's 44,the first world's computer virus has admitted to his guilt.

(●’◡’●)ノ (ᗒᗣᗕ)՞ ༼ つ ◕◡◕ ༽つ

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A satellite is spinning at 6.2 rev/s. The satellite consists of a main body in the shape of a solid sphere of radius 2.0 m and m
trapecia [35]

Answer:

627031 kgm^2/s

Explanation:

First convert angular speed from 6.2 rev/s to rad/s knowing that each revolution is 2π rad:

\omega = 6.2 * 2\pi = 38.96 rad/s

The we can calculate the moments of inertia of the satellite by summing up the 2 moments of inertia of the solid sphere and the 2 rods at their ends:

I = I_s + 2I_r

I = \frac{2}{5}MR^2 + 2\frac{1}{3}mL^2

I = \frac{2}{5}10000*2^2 + 2\frac{1}{3}16*3^2

I = 16000 + 96 = 16096 kgm^2

Then the angular momentum is the product of angular velocity and moment of inertia

\omega I = 38.96 * 16096 = 627031 kgm^2/s

8 0
2 years ago
You place a 500 g block of an unknown substance in an insulated container filled 2 kg of water. The block has an initial tempera
Nina [5.8K]

Answer:

3349J/kgC

Explanation:

Questions like these are properly handled having this fact in mind;

  • Heat loss = Heat gained

Quantity of heat = mcΔ∅

m = mass of subatance

c = specific heat capacity

Δ∅ = change in temperature

m₁c₁(∅₂-∅₁) = m₂c₂(∅₁-∅₃)

m₁ = mass of block = 500g = 0.5kg

c₁  = specific heat capacity of unknown substance

∅₂ = block initial temperature = 50oC

∅₁ = equilibrium temperature of block and water after mix= 25oC

m₂= mass of water = 2kg

c₂ = specific heat capacity of water = 4186J/kg C

∅₃ = intial temperature of water = 20oC

0.5c₁(50-25) = 2 x 4186(25-20)

And we can find c₁ which is the unknown specific heat capacity

c₁ = \frac{2*4186*5}{0.5*25}= 3348.8J/kg C≅ 3349J/kg C

4 0
2 years ago
A cosmic ray muon with mass mμ = 1.88 ✕ 10−28 kg impacting the Earth's atmosphere slows down in proportion to the amount of matt
anyanavicka [17]

Answer:

a. the magnitude of the force experienced by the muon is 2.55 × 10⁻¹⁹N

b.  this force compare to the weight of the muon; the force is 1.38 × 10⁸ greater than muon

Explanation:

F= ma

v²=u² -2aS

(1.56 ✕ 10⁶)²=(2.40 ✕ 10⁶)²-2a(1220)

a=1.36×10⁹m/s²

recall

F=ma

F = 1.88 ✕ 10⁻²⁸ kg × 1.36×10⁹m/s²

F= 2.55 × 10⁻¹⁹N

the magnitude of the force experienced by the muon is 2.55 × 10⁻¹⁹N

b.  this force compare to the weight of the muon

F/mg= 2.55 × 10⁻¹⁹/ (1.88 ✕ 10⁻²⁸ × 9.8)

= 1.38 × 10⁸

6 0
2 years ago
The earth's atmosphere (select all that apply)
love history [14]

Answer:

Explanation:

helps recycle water  

reduces the temperature extremes between day and night

recycles carbon dioxide and oxygen

protects the earth from harmful radiation

5 0
3 years ago
Read 2 more answers
A company has been hired to perform environmental remediation on an area of marshland. What would they most likely do?
WINSTONCH [101]

Answer:

remove contamination; pollution ; test ground water and dirt .

4 0
3 years ago
Read 2 more answers
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