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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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Hi......<br><br><br><br><br><br> ............
Dafna1 [17]

Answer:

Heyy!

Explanation:

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7 0
3 years ago
A high-jump athlete leaves the ground, lifting her center of mass 1.8 m and crossing the bar with a horizontal velocity of 1.4 m
Romashka [77]

Answer:

The minimum speed when she leave the ground is 6.10 m/s.

Explanation:

Given that,

Horizontal velocity = 1.4 m/s

Height = 1.8 m

We need to calculate the minimum speed must she leave the ground

Using conservation of energy

K.E+P.E=P.E+K.E

\dfrac{1}{2}mv_{1}^2+0=mgh+\dfrac{1}{2}mv_{2}^2

\dfrac{v_{1}^2}{2}=gh+\dfrac{v_{2}^2}{2}

Put the value into the formula

\dfrac{v_{1}^2}{2}=9.8\times1.8+\dfrac{(1.4)^2}{2}

\dfrac{v_{1}^2}{2}=18.62

v_{1}=\sqrt{2\times18.62}

v_{1}=6.10\ m/s

Hence, The minimum speed when she leave the ground is 6.10 m/s.

6 0
3 years ago
An airplane starts from rest and reaches a takeoff velocity of 60.0m/s due north in 4.0 s. How far has it traveled before takeof
Blizzard [7]
240 meters that's it
7 0
3 years ago
A passenger train travels 295 miles in the same amount of time it takes a freight train to travel 225 miles. The rate of the pas
mina [271]

Answer:

9.3

Explanatin:

7 0
3 years ago
Which of the following describes the mesophyll in a leaf?
forsale [732]

Mesophyll only occurs in some plants, and not the usual C3 plants that everyone learns about. In fact, mesophyll is mainly used in photosynthesis - for its light dependent reactions (primary reactions). Therefore, I'd say it's c) the structure which stores glucose for later use.

3 0
3 years ago
Read 2 more answers
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