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IRINA_888 [86]
3 years ago
13

Pls help me with this one

Physics
1 answer:
lora16 [44]3 years ago
5 0

Answer :

The answer is clearly C

Explanation:

Because the only way currents move are to the side

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34. A train, starting from rest, accelerates along the platform at a uniform rate of 0.6 m/s2. A passenger standing on the platf
ira [324]

Answer:

4.08 s

Explanation:

Let the passenger took "t" time to catch the train

so in this case the total distance moved by the train + 5 m = total distance moved by the passenger

so we will have

distance moved by train is given as

d_1 = \frac{1}{2}(0.6) t^2

also the distance moved by passenger

d_2 = \frac{1}{2}(1.2) t^2

so we will have

d_1 + 5 = d_2

0.3 t^2 + 5 = 0.6 t^2

0.3 t^2 = 5

t = 4.08 s

3 0
3 years ago
HURRY PLEASE!!!!!
ycow [4]

Who conducted the study?

Explanation:

One good question to ask the toothpaste making company is who conducted the study?

A company making toothpaste claiming a scientific study revealed that their toothpaste makes the mouth five times cleaner must have introduced a bias in this finding.

  • For a scientific study to be accepted and substantiated, it must have been tested and repeated by other scientists.
  • If no other scientist confirms this, then there is an obvious bias in the claim and it is not scientific.

Learn more:

Objective reporting brainly.com/question/2242789

#learnwithBrainly

7 0
3 years ago
Rounded to the nearest whole number, how many neutrons, on average, are in an atom of osmium?
andrey2020 [161]

Answer: 114

Explanation:

The mass number of an element gives the sum of the protons and the neutrons inside the nucleus of one atom of that element, while the atomic number of an element gives the number of protons inside one atom of that element.

We can infer the number of neutrons inside one atom of Osmium from its mass number and atomic number.

The atomic number of osmium is 76, so each atom of osmium has 76 protons

The (average) mass number of osmium is 190, so each atom of osmium has (on average) 190 protons+neutrons

So, in order to find the average number of neutrons, we can subtract the atomic number from the mass number:

N=A-Z=190-76=114

4 0
2 years ago
Read 2 more answers
In a house 5 bulbs of 25 watts each are used for 6 hours a day.Calculate the unit of electricity consumed in a month of 30 days.
Svetradugi [14.3K]

(5 bulbs) x (25 watt/bulb) x (6 hour/day) x (30 day/month) =

             (5 x 25 x 6 x 30) watt-hour/month =

                 22,500 watt-hour/month .

The most common unit of electrical energy used for billing purposes
is the 'kilowatt-hour' = 1,000 watt-hours .

               22,500 watt-hour/month =  <em>22.5 kWh/month</em>.

             (22.5 kWh/month) x (1.50 Rs/kWh) =  <em>33.75 Rs / month


</em>
4 0
3 years ago
Explain why different materials have different thresholds to change states matter
Degger [83]
Because different materials have different molecular organizations.
6 0
3 years ago
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