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3 years ago

What happan Similar poles of two magnets one another ?

Physics

2 answers:

Marianna [84]3 years ago

6 0

repal postive to postive or negitve to negtive

mariarad [96]3 years ago

3 0

Answer:

they will repel

Explanation:

when two magnets are brought together, the opposite poles will attract one another. but liked poles will repel one another.

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Find the work done "by" the electric field on a positively charged point particle with a charge of 2.1x10^-6 C as it is moved fr

Alexxx [7]

Answer

Work done will be $14.7\times 10^{-6}J$ and it will be positive

Explanation:

We have given charge $2.1\times 10^{-6}C$

We have to find work done in moving the charge from 15 volt to 8 volt

Let $V_1=15V\ and\ V_2=8volt$

So potential difference $V=V_1-V_2=15-8=7volt$

We know that work done $W=QV$ , here Q is charge and V is potential difference

So work done $W=QV=2.1\times 10^{-6}\times 7=14.7\times 10^{-6}J$

It will be positive work done because work is done in moving charge from higher potential to lower potential

5 0

4 years ago

Is the process of science described in this lesson similar to your initial ideas about how science is carried out? Explain why o

VARVARA [1.3K]

The process of science followed my initial ideas e because it involved experiments.

<h3>What is the process of science?</h3>

The process of science or the scientific method refers to the process which scientists follow in their discovery and explanation of natural phenomena.

The scientific method is given below:

making an observation,
develop a hypothesis,
making a prediction,
conducting an experiment
analyzing the results
propound a law

The process of science follows my initial ideas about the process of science because I always thought science involved experiments.

In conclusion, the process of science involves making hypothesis and conducting research.

Learn more about process of science at: brainly.com/question/17216882

#SPJ1

3 0

2 years ago

2 Resistors of resistance, R = (100 +- 3) Ohm, R2 = (200+-4)Ohm are connected in Parallel and Series.

Orlov [11]

According to what I've learnt, in any expression of multiplication or division, the percentage errors of each term are added up to find the equivalent percentage error. That is, if

y=ABC

y=ABCthen% error in y= % error in A + % error in B + % error in C

For the above problem, let Rs denote series combination. Then Rs=300±7 ohm.

Let Rp denote parallel combination.

∴Rp=R1R2/R1+R2 = R1R2/Rs

Ignoring errors, we get Rp=200/3 = 66.67 ohm

%error in R1=3, %error in R2=2, %error in Rs=7/3

Hence, %error in Rp=3+2+7/3=22/3

So, error in Rp will be 22/3% of 200/3, which is approximately 4.89.

Hence, I got Rp=66.67±4.89 ohm.

However, the book used the formula described and proved here and arrived at the answer Rp=66.67±1.8ohm.

8 0

3 years ago

Read 2 more answers

The moon travels in a nearly circular path around earth. If somehow gravitation between earth and moon disappeared, how would th

erma4kov [3.2K]

The gravitational force is a balance between centripetal and centrifugal force that keeps the planets in their orbits when they are in motion. The gravitational force is a factor of the masses of the Earth and moon and the distance between them. If there were no gravitational force, the moon would stay out of the circular path and follow the direction as shown in the picture.

7 0

3 years ago

Read 2 more answers

2. A Formula One race car speeds up from rest to 27.8 m/s in a distance of 25 meters.

Nadya [2.5K]

Answer:

Correct answer: a = 15.46 m/s²

Explanation:

The formula for accelerated movement with the given data is:

V² - V₀² = 2 · a · d where the initial velocity V₀ and the final V

Since the initial velocity V₀ is zero, the formula is:

V² = 2 · a · d => a = V² / (2 · d) = 27.8² / (2 · 25) = 772.84 / 50 = 15.46 m/s²

a = 15.46 m/s²

God is with you!!!

4 0

3 years ago

What happan Similar poles of two magnets one another ?​

What happan Similar poles of two magnets one another ?