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pogonyaev
3 years ago
10

There are three ways to give an object a static charge. They are friction, conduction and induction. Two pieces of cellophane ta

pe are stuck to a lab table. Each piece is quickly ripped off the table. A student attempts to bring the two pieces of tape together, but the tape is attracted to her hand. So, the tape clings to her hand. Formulate a possible explanation for this. A) The adhesive on the tape sticks to the student's hand. B) The charges are conducted onto the student's hand and then the tape is attracted to her hand. C) The tape is charged by friction and her hand has an induced opposite charge. They therefore attract. D) The tape is charged by friction and the human body is naturally charged. So, the tape is attracted to her hand. Eliminate
Physics
2 answers:
Novay_Z [31]3 years ago
8 0

The tape is charged by friction and her hand has an induced opposite charge. They therefore attract.

Helen [10]3 years ago
3 0

Answer:

c) The tape is charged by friction and her hand has an induced opposite charge. They therefore attract.

this is the answer

Explanation:

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A ball is thrown into the air with a vertical velocity of 50 m/s and a horizontal
daser333 [38]

\mathfrak{\huge{\pink{\underline{\underline{AnSwEr:-}}}}}

Actually Welcome to the Concept of the Projectile Motion.

Since, here given that, vertical velocity= 50m/s

we know that u*sin(theta) = vertical velocity

so the time taken to reach the maximum height or the time of Ascent is equal to

T = Usin(theta) ÷ g, here g = 9.8 m/s^2

so we get as,

T = 50/9.8

T = 5.10 seconds

thus the time taken to reach max height is 5.10 seconds.

5 0
3 years ago
Convert <img src="https://tex.z-dn.net/?f=%5Cfrac%7B%280.779mg%29%28min%29%7D%7BL%7D" id="TexFormula1" title="\frac{(0.779mg)(mi
Orlov [11]

The number converted is 0.0467 \frac{(kg)(s)}{m^3}

Explanation:

In order to convert from the original units to the final units, we have to keep in mind the following conversion factors:

1 kg = 1000 g = 10^6 mg

1 min = 60 s

1 m^3 = 1000 L

The original unit that we have is

\frac{mg\cdot min}{L}

Therefore, it can be rewritten as:

=\frac{mg \frac{1}{10^6 mg/kg}\cdot min\cdot  60 s/min}{L\frac{1}{1000L/m^3}}=0.06 \frac{(kg)(s)}{m^3}

Therefore, since the initial number was 0.779, the final value is

0.779\cdot 0.06 \frac{(kg)(s)}{m^3}=0.0467 \frac{(kg)(s)}{m^3}

#LearnwithBrainly

5 0
3 years ago
Help me fast and i brainliest.
nexus9112 [7]
There are correlation and causation between the force of the finger and the movement of the books
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you are given an orange liquid. what methos would you use to observe and describe the physcial properties of the liquid without
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Color, viscosity(thickness), smell, weight
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How much tension is in a rope if it pulls a 5-kg bucket filled with water with an upward acceleration of 1m/s^2
liraira [26]
F=ma
Tension - weight = mass x acceleration
T - 5(9.81) = 5 x 1
T = 5 + 5(9.81)
T = 54.05 N
T ≈ 54 N
4 0
3 years ago
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