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By ohm's law we KNOW voltage is directly PROPORTIONAL to current since voltage is drop by 50% current also DROPPED by 50%

When it is WRITTEN that the object START with velocity so it is initial velocity and if the object is stop it is final velocity.

G=GxM/R^2
=6.7 X 10^-11Km^2kg^-2x6x10^24kg/(6.4x10^6m)^2
=9.8 ms^-2

No WORK will be DONE because COS0 is EQUAL to 90° HENCE no work done

1 FISH - gills slits.
2 Mammals - LUNGS.
3 Earthwarm - body wall or skin
4 Grasshopper - trachical system.
5 Ameoba - plasma membrane.
6 FROG- skin.
7 farial worm - body wall
8 parrot - lungs
9 bat - lungs.
10 Snake - lungs.

No, (f) is vector quantity no doubt but (s) is ALSO a vector quantity.
And vector-vector becomes scalar.
So W = f x s
vector × vector = scalar quantity.


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A ring in a dynamo or electric motor which is attached to and rotates with the SHAFT, passing an electric current to a CIRCUIT via a fixed brush pressing against it.
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It can COMPLETE the circuit because graphite of the pencil is a GOOD CONDUCTOR.

The friction of the object WOULD be less. the reason is this that the rubbing action will cause the SURFACE to become wear out and MAKE it less ROUGH THUS less friction

The APPLIED ENERGY STORED in that STONE.

In simple harmonic motion when a particle is DISPLACED to a position from its mean position, then its kineticenergy gets converted into potentialenergy and vice-versa. Hence, TOTAL energy of a particle REMAINS constantor the total energy in simple harmonic motion does not depend on DISPLACEMENT x.

The charge of metal sheet is positive
Q = ne
n = 12.5*10^18 and e= 1.6*10^-19
therefore q = 12.5*10^18*1.6*10^-19=2C

MAY be It is right
hope it will HELP you

So what we have to do in this QUESTION??
Are you SHARING this INFORMATION to US...

I THING A is a ANSWER

11 BULBS is the ANSWER SOLUTION GIVEN below

Familiar with:

1 – Attentional Bias

You may be about to make a crucial decision, but RATHER than weigh up all of the options you concentrate upon a few and ignore the others. For example, you might believe that all product failures are down to poor marketing and so you overly concentrate upon those factors and ignore the product quality issues that were the real cause.

2 – Bandwagon Effect

Everybody else is doing it, so I should be doing it too, even if I don’t believe it. For example, the boss just made a decision which sucks, but everyone else around the table is agreeing with him, so I’ll just jump on the bandwagon and agree, even though I know from my own experience that it is doomed to fail.

3 – Confirmation Bias

Rather than trying to weigh up the evidence and then make a decision, INSTEAD you make up your mind beforehand and then go and get the evidence to fit that pre-existing judgement. For example, I’ve been asked to provide evidence to support the sales forecast for my pet project, so I ignore all of the contradictory information and I only give the boss the data that upholds my figures.

4 – Curse of Knowledge

A tendency for the smart people on the team to fail to understand the perspective of those less educated than they are. For example, the new PhD on the sales team DISMISSED the idea of using a shopping channel, just because he wouldn’t buy from it himself.

5 – Decoy Effect

Making an option seem better, by presenting the decision-maker with another unfavourable option that puts the original in a more favourable light. For example, the sales agent wanted to influence us to buy the house, so they showed us another property that was in the same price bracket, but it was in such a bad neighbourhood that it made the first one LOOK much better.

6 – Functional Fixedness

Thinking that something can only be used in a specific way, just because that is how it has always been done, thereby missing the potential for alternative uses. For example, Product A had only ever been sold into the home improvement market since the company began, so the marketing team didn’t spot the opportunity to sell into the gift market, which had been picked up by one of our competitors.

7 – Gambler’s Fallacy

A belief that future events are influenced by the past, where the reality is that the probability of the outcome remains unaltered. For example, the sales team had one all five of the previous pitches, but their lax attitude to the sixth resulted in failure, despite their assurance that it was a certainty because of the previous successes.

8 – Hindsight Bias

Believing that something was inevitable, after it had happened. For example, Jeff announced to the team that he had never believed all long that the merger would ever happen, despite everyone remembering him as being its most staunch advocate in the beginning.

9 – IKEA Effect

The tendency to place a greater value on things that you have been involved in creating, regardless of the quality of the resulting item. For example, JANE was reluctant to agree to the discontinuation of the product, despite the overwhelming evidence that sales had tanked, because she had headed up the original team that brought it to market.

10 – Loss Aversion

A tendency to view the avoidance of losses as more powerful than realising gains. For example, the board was reluctant to sell the loss-making factory, despite forecasts which suggested we would return to profit in a couple of years.

Wood as a building MATERIAL are ALSO affected specifically by ... timber strength when PRESSED perpendicular to the grain under DIFFERENT ...... Furthermore, there is no DIRECT way of.

No, it is only APPLICABLE on the TIP of the BAR magnet.

Hope it will HELP you.
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When we're very young, we have a very simple idea about light: the world is EITHER light or dark and we can change from one to the other just by flicking a switch on the wall. But we soon learn that light is more complex than this.

Light arrives on our planet after a speedy TRIP from the Sun, 149 million km (93 million miles away). Light travels at 186,000 miles (300,000 km) per second, so the light you're seeing now was still tucked away in the Sun about eight MINUTES ago. Put it another way, light TAKES roughly twice as long to get from the Sun to Earth as it does to MAKE a cup of coffee

Answer EXACT NAHI h...jo iske aas PAS ho dekh lo WAHI hona chahiye...cmnt me answer bta dena..sahi hai ya nahi..okk

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here's your answer  

Specific Heat Capacity Formula. The specific heat capacity of a SUBSTANCE is the amount of heat REQUIRED to raise ONE gram of the substance by one DEGREE Celsius. Water, for example, has a specific heat capacity of 4.18 . This means to heat one gram of water by one degree Celsius, it would require 4.18 joules of energy

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Hope it helps you

The GDP growth rate slowed down to 6.1% in 2009. In 2006, the COUNTRY's trade contributed to around 24% of the GDP from 6% in 1985. According to Goldman Sachs, India's GDP in current prices may overtake France and Italy by 2020, RUSSIA, GERMANY and UK by 2025 and Japan by 2035. It is also predicted that Indian economy will be the third LARGEST after US and China by

Displacement in the nth second,we r talking about.suppose accleration is a and the initial velocity is u.
s=ut+1/2at^2.
if i will be said to find out the displacement in the nth second.so i will find out the displacement in the n-1 th second,can be easily found by the above given equation.
s(n-1)=u(n-1)+1/2a(n-1)^2=un-u+1/2a(n^2-2n+1)=un-u+1/2an^2-an+1/2a
now this is the total displacement in n-1 second.in n second the displacent is :
s(n)=un+1/2an^2
so i f i WANT the displacement in that n second nly,so i need to SUBTRACT the total displacement in n second and in n-1 second.
s(n)-s(n-1)=un+1/2an^2-un+u-1/2an^2+an-1/2a=u+an-1/2a=u+1/2a(2n-1).
ACTUALLY to make this answer correct u need to write the seconds (dimensionally correct)
so,u(1S)+1/2a(2n-1s)(1s) is the correct answer.if u will keep on writing the units from the first then u will get this equation only.
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Is it true that a material with a higher Young's MODULUS is more elastic than a material with a lower Young's modulus? If so, why?

7 ANSWERS



Stephen Reamer, Engineering Consultant (2010-present)

Answered 76w ago · Author has 1k answers and 1M answer views

Young’s modulus, or the modulus of elasticity, is the measure of stiffness of a material. It is a mechanical PROPERTY measured in pressure of the relationship of the stress (force per unit area) and strain (resulting proportional deformation) of a material. Many materials with a high Young’s modulus will bend under stress but may return to their original shape when the force is removed because Young’s modulus is a measure of linear elasticity. Do not confuse the strength of a material to Young’s modulus. Lead has a very low modulus of elasticity. It requires LITTLE stress to cause permanent deformation and it will not return to its original shape. A rubber band likewise has a low modulus of elasticity, deforms significantly under load but returns to it’s original shape. Young’s modulus is simply a MEANS of describing with numbers our perception of the stress/strain relationship

A hemispherical bowl of radius R is rotated about its AXIS of symmetry which is kept vertical. A small block is kept in the bowl at a position where the radius makes an angle 0 with the vertical. The block ROTATES with the bowl without any slipping. The FRICTION coefficient between the block and the bowl surface

Optical FIBERS are widely used in fiber-optic communication, which permitstransmission over longer distances and at higher DATA rates than other forms of WIRED and wireless COMMUNICATIONS. They are also used to form sensors, and in a VARIETY of other applications.

If you want to calculate the wavelength of a wave, then all you have to do is plug the wave'sspeed and wave's frequency into the equation. Dividing SPEED by frequency gives you THEWAVELENGTH. For example: Find the wavelength of a wave traveling at 20 m/s at a frequency of 5 Hz.
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Chemical Effect Of Electric Current. ... The passage of an electric current through a CONDUCTING liquid CAUSES chemical reactions. The RESULTING effects are called chemical effects of currents. The process of depositing a layer of any desired metal on another material, by means of ELECTRICITY, is called electroplating

Cotton cover the BALL with a piece of CLOTH .spread a carpet on the wooden SURFACE
on the wooden surface SPRINKLE sand on the wooden surface

The following ASSUMPTIONS must be met for this Bernoulli equation to apply:

the flow must be STEADY, i.e. the flow parameters (VELOCITY, density, etc...) at any point cannot change with time,the flow must be INCOMPRESSIBLE – even though pressure VARIES, the density must remain constant along a streamline;

Θ = (ωi × t) + 0.5αt²
It was initially at rest. HENCE ωi = 0

θ = 0.5αt²

t = √(2θ / α)
= √(2 × (77 × 2 π rad) / 8 rad/s²)
= 11 seconds ………[Here I took π = 22/7]

Time taken to COMPLETE 77 REVOLUTIONS is 11 seconds

[Note: We should multiply revolutions by 2 π to

In physics, POTENTIAL energy is the energy possessed by an OBJECT because of its POSITION relative to other objects, stresses WITHIN itself, its electric charge, or other factors.

A laser is a device that emits light through a process of optical AMPLIFICATION based on the STIMULATED EMISSION of ELECTROMAGNETIC radiation. ... Alternatively, TEMPORAL coherence can be used to produce pulses of light with a broad spectrum but durations as short as a femtosecond ("ultrashort pulses").

A message is a discrete unit of COMMUNICATION intended by the SOURCE for consumption by some recipient or group of recipients. A message MAY be delivered by various means, including COURIER, telegraphy, carrier pigeon and electronic bus. A message can be the content of a broadcast. An INTERACTIVE exchange of messages forms a conversation.

V=IR
V=0.05×3
V=0.15volt

1j                                                             is the ANSWER because we KNOW we have USE 1j to COMPRESS 1mm

What is the QUESTION?

Newton's Second Law

While Newton's first law looks at how force affects the motion of objects, the second law dives into how we define force itself. Newton's second law states that an OBJECT's acceleration (or a) is directly proportional to the net force (or F) acting on it and inversely proportional to its mass (or m). Unlike Newton's first law, there is no shorthand name for this one, but it is better known by its mathematical formula, which you can see:



However, it is far more common to see it written in the form where it has an EQUAL SIGN instead of a proportional sign, which you can see:



This formula tells US that a force acting upon an object is equal to that object's mass multiplied by the acceleration caused by the force. You'll find this formula consistently used throughout your studies of introductory physics.

One excellent example of Newton's second law at WORK in our lives is our weight. You might not usually think about it this way, but your weight is actually the gravitational force of the earth acting on you. Your weight is equal to your mass multiplied by the acceleration due to gravity, 9.81 m/s.

Hey buddy,

◆ Answer-
F = 4.167×10^-6

◆ EXPLAINATION-
# Given-
l = 25 cm = 0.25 m
b = 10 cm = 0.1 m
r1 = 2 cm = 0.02 m
r2 = 0.1 + 0.02 = 0.12 m
I1 = 1 A
I2 = 2 A

# Solution-
The FORCE will ACT only on sides parallel to wire length.

Repulsive force is -
F1 = (μ0.I1.I2.l) / (2π.r1)
F1 = (4π×10^-7 × 1 × 2 × 0.25) / 2π(0.02)
F1 = 50×10^-7 N

Attractive force is -
F2 = (μ0.I1.I2.l) / (2π.r2)
F2 = (4π×10^-7 × 1 × 2 × 0.25) / 2π(0.12)
F2 = 8.33×10^-7 N

Net force acting on rectangular loop is -
F = F1 - F2
F = 50×10^-7 - 8.33×10^-7
F = 4.167×10^-6 N

Therefore, resultant force acting on the loop is 4.167×10^-6 N.

Hope it HELPS...

Newton's Second Law

While Newton's first law looks at how force affects the motion of objects, the second law dives into how we define force itself. Newton's second law STATES that an OBJECT's acceleration (or a) is DIRECTLY proportional to the net force (or F) acting on it and inversely proportional to its mass (or m). UNLIKE Newton's first law, there is no shorthand name for this one, but it is better known by its mathematical formula, which you can see:



However, it is far more common to see it written in the form where it has an equal sign instead of a proportional sign, which you can see:



This formula tells us that a force acting upon an object is equal to that object's mass multiplied by the acceleration caused by the force. You'll find this formula consistently used throughout your studies of introductory physics.

One excellent example of Newton's second law at work in our lives is our weight. You might not usually think about it this way, but your weight is actually the gravitational force of the earth acting on you. Your weight is equal to your mass multiplied by the acceleration due to gravity, 9.81 m/s.

A rigid body ROTATING with UNIFORM angular SPEED about a fixed axis POSSESS kinetic energy

◆This is because the compass needles work as a small bar MAGNET, so when this MAGNETIC NEEDLE is brought near ANOTHER magnetic property (solenoid) surrounding then the like poles will repel, there by the needle GETS deflected.

A CUBE is a METAL GIVEN as a POSITIVE charge q