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Aleks [24]
3 years ago
13

What is surface tension ​

Physics
1 answer:
harina [27]3 years ago
5 0

Answer:

Surface tension is,  the surface where the water meets the air, water molecules cling even more tightly to each other.

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object is placed 15cm in front of a plane mirror. If the mirror is moved further 5cm away from the object and the image is​
solong [7]

Answer:

The image will most likely be 20cm in front the mirror since the mirror was placed further 5cm.

4 0
3 years ago
Read 2 more answers
The charge that passes a cross-sectional area A=10-4 m2 varies with time according
Anarel [89]

Answer:

Current = dQ/dt

or I = dQ/dt

Where I represents current.

Which is the rate of flow of charge.

Q=4 + 2t + t²

dQ/dt = 2 + 2t --- This is the relation that gives the instantaneous current.

At time t=2sec

dQ/dt = I = 2 + 2t

= 2 + 2(2)

=2 + 4

= 6A.

6 0
3 years ago
Why must scientists be careful when studying<br> nanotechnology?
JulijaS [17]

Answer:

When studying nanotechnology, scientists must be aware that their ideas may not work out. Their work could be very time consuming and cost a lot of money. Finally, scientists do not yet know all of the effects of nanotechnology on human health.

Hope it helps u:)

6 0
3 years ago
if the separation distance between the moon and the planet is increased by a factor of 4 then the force gravitational is
erastova [34]

Answer:

Fg = (G * m1 * m2) / r^2

The gravitational force is Fg/16

Explanation:

Fg = (G * m1 * m2) / (4r)^2

Fg = (G * m1 * m2) / 16r

Therefore,

Fg / 16

8 0
3 years ago
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5. What evidence best supports the claim that a
Levart [38]

Answer: B: It can be made out of wire

Explanation: i just had this question and put this answer and gotten it right:)

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2 years ago
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