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rusak2 [61]
3 years ago
11

Which is an example of gaining a static charge by conduction?

Physics
1 answer:
lianna [129]3 years ago
7 0

Answer:

shuffling shoes

Explanation:

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4. What are 3 things that you can think of doing, that would reduce<br> your electricity bill?
Cloud [144]
Turn off standby appliances.
Install a smart thermostat.
Turn down your thermostat.
Buy efficient appliances.
Install a new boiler.
Wash clothes at a lower temperature.
Be smarter about water.
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3 0
2 years ago
You are at a train station, standing next to the train at the front of the first car. The train starts moving with constant acce
Aleksandr [31]

The time needed for the 7th car to pass is 13.2 s

Explanation:

The motion of the train is a uniformly accelerated motion, therefore we can use suvat equations.

We start by analzying the motion of the first car, by using the equation:

s=ut+\frac{1}{2}at^2

where

s is the distance covered by the first car in a time t, which corresponds to the length of one car

u = 0 is the initial velocity

a is the acceleration

t = 5.0 s is the time

The equation can be rewritten as

a=\frac{2s}{t^2}=\frac{2L}{(5.0)^2}=0.08L[m/s^2]

where L is the length of one car.

The same equation can be written considering the first 7 cars:

7L = ut+\frac{1}{2}at'^2

where

7L is the distance covered by the 7 cars

t' is the time needed

We still have

u = 0

And the acceleration is constant so it is

a=0.08L

Substituting into the equation, we can find t':

7L = \frac{1}{2}(0.08L)t'^2\\7=0.04t'^2\\t'=\sqrt{\frac{7}{0.04}}=13.2 s

In attachment the graph of the distance covered versus the time taken: since the motion is uniformly accelerated, the relationship between the two variables is quadratical.

Learn more about accelerated motion:

brainly.com/question/9527152

brainly.com/question/11181826

brainly.com/question/2506873

brainly.com/question/2562700

#LearnwithBrainly

8 0
3 years ago
A chemist needs 15.0 grams of ethanol for a reaction. If the density of ethanol is 0.789 g/ml, how many milliliters of alcohol s
harina [27]
  • Mass=15g
  • Density=0.789g/ml

\\ \bull\tt\dashrightarrow Density=\dfrac{Mass}{Volume}

\\ \bull\tt\dashrightarrow Volume=\dfrac{Mass}{Density}

\\ \bull\tt\dashrightarrow Volume=\dfrac{15}{0.789}

\\ \bull\tt\dashrightarrow Volume=19.01mL

3 0
2 years ago
What is the Primacy Effect? Question 1 options:
Vika [28.1K]

Answer: The primacy effect occurs when you're more likely to remember words at the beginning of a list. A suggested reason for the primacy effect is that the initial items presented are most effectively stored in long-term memory because of the greater amount of processing devoted to them.

So B would be your answer

3 0
3 years ago
Which are disadvantages of series circuits? Check all that apply.
11Alexandr11 [23.1K]

Answer:

C and F

Explanation:

A break in one wire causes all current to stop.

If one bulb goes out, the others go out.

5 0
3 years ago
Read 2 more answers
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