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cupoosta [38]
3 years ago
7

Static electricity occurs when two objects have different electrical charges. When objects are rubbed together, the electrons fr

om one object can hop to the other, causing them to take on a positive or negative charge. Positively charged objects repel each other, so when your hair stands on end, that is due to a positive electrical charge transferred from another object, usually a hat or hair brush. What would be one way to avoid static electricity
Physics
2 answers:
denis23 [38]3 years ago
5 0

Answer:Alter your winter wardrobe. Wearing your favorite wool sweater or socks might seem perfect for keeping warm, but your chances of being shocked will rise while wearing wool and certain synthetic fabrics, including nylon and polyester. ...

Humidify your home. ...

Use dryer sheets. ...

Keep touching metal.

Explanation:hope that helps

damaskus [11]3 years ago
5 0

Answer:

Run a metal clothes hanger across your dry hair.

Explanation:

Absorb electrical currents in your hair by rubbing a metal hanger over your hair. Hold the hanger so it is touching your head and move it slowly downward.

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Which are characteristics of a prokaryotic cell? Select three options.
horrorfan [7]

Answer:

prokaryotic cells have no nucleus but contain DNA.

I hope this helps

3 0
3 years ago
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Write a hypothesis for Part II of the lab, which is about the relationship described by F = ma. In the lab, you will use a toy c
Temka [501]

Answer:

F=ma is the relationship where, F is force, m is mass and a is acceleration.

Newton's second law states that  the unbalanced force applied to the object accelerates the object which is directly proportional to the force and inversely to the mass.

If we apply force to a toy car then It will accelerate.

This is how Newton's second law of motion is verified.

6 0
3 years ago
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A pendulum has a period of 0.500. What is its length?
qwelly [4]
It's about 6 cm long
6 0
3 years ago
A car in an amusement park ride rolls without friction around a track (Fig. P7.42). The hB car starts from rest at point A at a
MrRissso [65]

Answer:

h>\dfrac{5}{2}R

Explanation:

Given that

Height = h

Radius = R

From energy conservation

KE_A+U_A=KE_B+U_B

At point B

The minimum speed to complete the   the circle

V_B=\sqrt{gR}\ m/s

So the kinetic energy at point B

KE_B=\dfrac{1}{2}mV^2

KE_B=\dfrac{1}{2}mgR

KE_A+U_A=KE_B+U_B

0+mgh=\dfrac{1}{2}mgR+2mgR

Without falling off at the top (point B)

0+mgh>\dfrac{1}{2}mgR+2mgR

mg(h-2R)>\dfrac{1}{2}mgR

g(h-2R)>\dfrac{1}{2}gR

h>\dfrac{5}{2}R

6 0
3 years ago
A block is hung by two ropes angled at 30º and 60º respectively. What is the ratio of the tension in the second rope to the tens
WINSTONCH [101]
The ratio between 30° and 60° is 1:2
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