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nlexa [21]
3 years ago
6

De ce nu putem masura o bandă​

Physics
2 answers:
icang [17]3 years ago
3 0
I don’t speak Spanish sorry but I wish I could help you
Marianna [84]3 years ago
3 0

Answer:

you cnat measure a band because they come in all shapes and sizes they can be streched or to wide.

Explanation: the only way which is sometimes innacurate is if you cut the rubber band and measure it but you still cant measure it

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Derek reads a rate of 25 words per min. How long would it take him to read a 225 work article if he read at a constant rate with
atroni [7]
Hello there! Your answer is (255/25=9) hope it helps and have a wonderful day!
6 0
3 years ago
How to find capacitance of a conductor?
ICE Princess25 [194]

Answer:

  • <u>C = Q/∆V . So the overall strategy here is to find the potential difference ∆V corresponding to a particular Q on an object, then take the ratio.</u>

Explanation:

Capacitance is the amount of charge something can hold for a given ap- plied potential difference between separated parts of the conductor:

7 0
3 years ago
What happens to some of the sun's energy that does not reach the earth's surface?
LenaWriter [7]
Hello, 

Here is your answer:

The proper answer for this question is that they "get absorbed by the ozone layer".

If you need anymore help feel free to ask me!

Hope this helps!
4 0
3 years ago
A 1.0-kg block moving to the right at speed 3.0 m/s collides with an identical block also moving to the right at a speed 1.0 m/s
____ [38]

Answer:

Speed of both blocks after collision is 2 m/s

Explanation:

It is given that,

Mass of both blocks, m₁ = m₂ = 1 kg

Velocity of first block, u₁ = 3 m/s

Velocity of other block, u₂ = 1 m/s

Since, both blocks stick after collision. So, it is a case of inelastic collision. The momentum remains conserved while the kinetic energy energy gets reduced after the collision. Let v is the common velocity of both blocks. Using the conservation of momentum as :

m_1u_1+m_2u_2=(m_1+m_2)v

v=\dfrac{m_1u_1+m_2u_2}{(m_1+m_2)}

v=\dfrac{1\ kg\times 3\ m/s+1\ kg\times 1\ m/s}{2\ kg}

v = 2 m/s

Hence, their speed after collision is 2 m/s.

7 0
3 years ago
A tourist drops (from rest) a ping pong ball from the top of the tower, which has a height of 324 meters. Assuming no air resist
Elanso [62]

Answer:

8.13secs

Explanation:

From the question weal are given

Height H =324m

Required

time it takes to drop t

Using the equation of motion

H = ut + 1/2gt²

Substitute the given values

324 = 0(t)+1/2(9.8)t²

324 = 1/2(9.8)t²

324 = 4.9t²

t² =324/4.9

t² = 66.12

t = √66.12

t = 8.13secs

Hence the time taken to drop is 8.13secs

4 0
2 years ago
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