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Let the length of the train be = X metres  

Length of the platform = 2x metres  

SPEED of train = 90 kmph

=90*5/18

=25 m/s

according to the QUESTION

(x+2x)/25=36

=>3x=36*25

=>x=(36*25)/3

=>x=300

length of platform = 2x = 600 m

The DIRECTION of MAGNETIC field at the centre is PERPENDICULAR to the plane of the COIL. Magnetic field is maximum at the centre of the coil. And magnetic field lines are directed from North to South pole on the outside and South to North pole on the inside.

The ARMED FORCES have been WORKING AROUND the CLOCK.

This is yours Q13.. HOPE it HELPS UHH...

Dear Student
Time period T = 2π(MR/k)½

where mr is the reduced MASS of the TWO masses and k the SPRING constant.

mr = m1m2/(m1+m2).
T=2πmrk1/2mr=m1m2m1+m2=3m24m=3m4T=2π3m4k1/2T=π3mk1/2

Hey mate!

Here is your answer:-

Take a bottle and cut it from the bottom and set a balloon on the TOP of the bottle .Now take a candle and burn it and keep it in the bottom of the bottle.But remember don't let the candle to GO too close to the balloon.You will then OBSERVE that balloon is expanding.This proves that air EXPANDS on heating.

Hope it will HELP you.
❤❤❤❤❤❤❤❤❤❤

ANSWER:

OHH YA rabba HYY khudayaa

✨There are eight planets in our SOLAR SYSTEM :- Mercury , Venus , Earth , Mars , Saturn , JUPITER , Uranus , NEPTUNE .✨

✨hope it HELPS ☺☺✨

60:30........

HOPE this HELPS U ......

I think noise POLLUTION in MARKET there is so MANY noise and SOUND pollution created by the vehicles ......✨✨✨

Here your ANSWER is RUBBER

If its SCIENTIFICALLY PROVEN so MAYBE...
but don't POST these
..

Let the distance between both places be x km.

Time TAKEN during going = x/30. Hour
Time taken during returning = x/20.hour

Average SPEED = total distance TRAVELLED // total time taken.

= 2x//x/12
= 2x*12// x
= 24km/hr.

Hope that it will help you
If any doubt plz comment

the total energy POSSESSED by a body DROPPED from a HEIGHT h when it is at a HALF of the height is

K. E=1/2.m×v^2

Because the SPACE in BALLOON is COMPLETE and air pressure of air can CAUSE bursting balloon.

All are ELECTRICAL EQUIPMENTS

A way of SEPARATING a LIQUID into its DIFFERENT chemical parts by passing an electric CURRENT through it

Ass28.0625
So 6
significant FIGURES

The BLOCKS move with constant velocity. THUS the net force acting on the system is 0.

External force acting on A 20N. Since the net force acting on B is 0, FRICTION must be 20N in opposite direction of external force.

External force acting on A is 0 and net force on A is 0. Hence friction on A DUE to B is 0.

Hence, ANSWER is 0.

Which CLASS are you in

A direct CONSEQUENCE of the closed PATH test is that the work done by a conservative FORCE on a particle MOVING between any TWO points does not depend on the path taken by the particle. ... The amount of work done only depends on the vertical displacement of the child.

FORCE of COHESION is STRONGER in LOW TEMPERATURE.

Voltmeter is always connected in PARALLEL to a circuit. SinceGalvanometer is a very sensitive instrument, therefore it can not measure high potential DIFFERENCE. In order to convert a Galvanometer intovoltmeter, a very high resistance KNOWN as "series resistance" is connected in series with the galvanometer.

Weight on EARTH will be

We have,

MG = 50N

g= 9.8m/s^2

A/Q,

If mg =50N

=m x g

= m x 9.8

so, m = mg/g

= 50/9.8

=500/98

=5.10 kg (APPROX)

Phenetics (Greek: phainein - to appear) /fɪˈnɛtɪks/, also known as taximetrics, is an ATTEMPT to classify organisms based on overall similarity, usually in MORPHOLOGY or other observable traits, regardless of their phylogenyor evolutionary relation. It is closely RELATED to numerical taxonomy which is concerned with the use of numerical methods for taxonomic classification. Many people contributed to the development of phenetics, but the most influential were Peter Sneath and Robert R. Sokal. Their books are still primary references for this sub-discipline, although now out of print.

Phenetics has largely been superseded by cladistics for research into evolutionary relationships among species. However, certain phenetic methods, such as neighbor-joining, have found their way into phylogenetics, as a reasonable approximation of phylogeny when more advanced methods (such as Bayesian inference) are too COMPUTATIONALLY expensive.

Phenetic techniques include various forms of clustering and ordination. These are sophisticated ways of reducing the variation displayed by organisms to a manageable level. In practice this means measuring dozens of variables, and then presenting them as TWO- or three-dimensional graphs. Much of the technical challenge in phenetics revolves around balancing the loss of information in such a reduction against the ease of interpreting the resulting graphs.

The method can be traced back to 1763 and Michel Adanson (in his Familles des plantes) because of two shared basic principles — overall similarity and equal weighting — and modern pheneticists are sometimes called neo-Adansonians.

Because the glass is so THIN and bcz yhe light starts and finished in air .. the refraction into and out of the glass causes little DEVIATION in the light's original DIRECTION...


Hope it HELPS uhh...☺

What is the QUESTION ELABORATE it PROPERLY

Hey friend Your answer,

Some EXAMPLES of Mechanical FORCES are Muscular force,HURRICANE force,Punch on FACE ,Etc

Hope it helps you.

Specific RESISTANCE is a CONSTANT for the TYPE of conductor MATERIAL being calculated. ... The METRIC unit for specific resistance is the ohm-meter (Ω-m), or ohm-centimeter (Ω-cm),

Mass on earth
Weight × g

As we know VALUE of g is 9.8
50×9.8
= 490 kg

Mass on MOON = 1/6 mass on earth
= 1/6×490
=81.6 (approx)



HOPE IT HOPE IT WILL HELP U ✌️✌️✌️❤️❤️✌️✌️✌️

Answer:

Sound starts with a vibration caused by energy and radiates out the source of the energy.

The vibration is PASSED from one MOLECULE to another as they bump around and a sound wave is produced.

The energy received by each molecule is passed on, or transmitted but the molecule itself stays in the same place and vibrates back and front.

Sound vibrations move through solids, liquids and gases but they cannot travel through empty space (vacuum).

Sound energy travels much SLOWER than light energy.

Sound travels at about 340 metres per second in air, about 1500 metres per second in water, and even faster in a solid.

Light travels at 300000 kilometres per second.

Therefore, we see things long before we hear them.

Example :

Sound travels faster through wood than air. Sound travels fast through wood because it is a solid and the molecules are close together. Sound travels slow through air as the molecules are FAR apart.

the ANSWER of this QUESTION SEEMS to be TRUE, if it is a true or FALSE

* Angle of INCIDENCE is always EQUAL to the angle of reflection.
* Angle of incidence, angle of reflection and NORMAL lie on the same PLANE.

Hope it helps you !!!

Speed=distance/time
=600/300
=2m/s
36/5
7.2k/h