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Ierofanga [76]
3 years ago
5

The image below represents molecules in which state of matter? *

Physics
1 answer:
Aleks04 [339]3 years ago
3 0

da answer is liquiddddddddd

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A person scuffing her feet on a wool rug on a dry day accumulates a net charge of -52 µc. how many excess electrons does this pe
LenKa [72]
Using q=1.60217662 E-19 C we get:
\frac{52 \times 10^-^6}{1.60217662 \times 10^-^1^9}=3.24558 \times 10^1^4 electrons
Then using 9.10938356E-31 kg as the mass, we get
 (3.24558 \times 10^1^4)(9.10938356\times 10^-^3^1)=2.95653\times 10^-^1^6kg
6 0
3 years ago
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A car on a straight road starts from rest and accelerates at 1.0 meter per second? for 10. seconds.
Marysya12 [62]

Answer:

11 or 10 meters a second

Explanation:

pretty sure thats my explanation "pretty sure" like my confidence? mark me brainliest bad at spelling lol

7 0
3 years ago
Describe one way you can increase the strength of an electromagnet.
Vsevolod [243]

Answer:

(1) By increasing the number of loops of wire around the iron core

(2) increasing the current or voltage.

5 0
3 years ago
a 2100-kg car drives with a speed of 18 m/s onb a flat road around a curve that has a radius of curvature of 83m. The coefficien
Law Incorporation [45]

Answer:

<u>The magnitude of the friction force is 8197.60 N</u>

Explanation:

Using the definition of the centripetal force we have:

\Sigma F=ma_{c}=m\frac{v^{2}}{R}

Where:

  • m is the mass of the car
  • v is the speed
  • R is the radius of the curvature

Now, the force acting in the motion is just the friction force, so we have:

F_{f}=m\frac{v^{2}}{R}

F_{f}=2100\frac{18^{2}}{83}

F_{f}=8197.60 \: N

<u>Therefore the magnitude of the friction force is 8197.60 N</u>

I hope it helps you!

7 0
3 years ago
Sally accelerates a 250 kg cart at 3 m/s/s. What must be the net force?
Vlad1618 [11]
750 N is what I got...
7 0
3 years ago
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