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ong>Explanation:

1.The astronomical UNIT is the averqge distance

from the Earth to the

sun. true

2. The basic unit of length

is the centimeter false

ong>EXPLANATION:

GIVEN

mass of object 40kg

g = 10m/s

by using w = MG

W = 40x 10

W = 400kg

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SI UNIT also KNOWN as MKS(meter-kilogram-second)unit

CGS(Centimeter-gram-second)unit

FPS(Foot-pound-second)unit also known as BRITISH system

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Yes, ONE bit of light can bounce off ANOTHER bit of light, but not directly, and the EFFECT is very rare.

Yes and no.

In a regular mechanical system with MACROSCOPIC parts, MOMENTUM can not be "hidden" to human eyes.

A

Explanation:

V =gh

velocity is the product of g ANG height

ong>ANSWER:

HEY MATE HERE'S YOUR ANSWER

Explanation:

Electrostatics is a branch of physics that studies ELECTRIC charges at rest. Since classical physics, it has been known that some materials, such as amber, attract lightweight PARTICLES after rubbing. The GREEK word for amber, ήλεκτρον, or ELECTRON, was thus the source of the word 'electricity'.

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Yes, light can bend around corners.

• In fact, light always bends around corners to some extent.

KILOGRAM is the answer of this QUESTION

it's just few MILLIMETRES

electromagneticwaves

Explanation:

for EG LIGHT

ong>Answer:

A system of measurement is a COLLECTION of units of measurement and rules relating them to each other. Systems of measurement have historically been IMPORTANT, regulated and defined for the purposes of SCIENCE and COMMERCE.

ong>Answer:

Whenever there is a change in a system, energy is transferred and some of that energy is dissipated . Dissipation is a term that is often USED to describe ways in which energy is wasted. Any energy that is not transferred to useful energy stores is SAID to be wasted because it is lost to the SURROUNDINGS.

Explanation:

mass and VELOCITY effect KINETIC energy.

because we KNOW that, K.E = 1÷2 mv^2

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Explanation:

QWERTY

force of attraction between all masses in the universe; especially the attraction of the EARTH's mass for bodies NEAR its surface. Synonyms: GRAVITATION, gravitational attraction, gravity Types: SOLAR gravity.

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rong>With less gravity, it is harder to keep your body strong. If the Earth's gravity is lost, all ITEMS HELD to the Earth's surface by gravity would float away. That INCLUDES the atmosphere, WATER, people, cars and animals. If an OBJECT were secured strongly to the Earth, it would probably remain attached.

The average speed of particle during this  motion is 4 m/s.

EXPLANATION:

Given that,

FIRST HALF of a distance is covered with speed = 3 m/s

The other half of a distance is covered in 2 equal time intervals at speed of 4.5 M SECOND and 7.5 seconds respectively

Let the total distance covered be 2 x.

Let t be the time taken the first half of the distance.

t = \dfrac{x}{3}

Let the other half of a distance be covered in two equal intervals of time.

x=4.5t'+7.5t'

x=12t'

t'=\dfrac{x}{12}

The total time is

t''=t+2t'

t''=\dfrac{x}{3}+2\times\dfrac{x}{12}

t''=\dfrac{x}{3}+\dfrac{x}{6}

The average speed is equal to the total distance divided by the total time.

v_{avg}=\dfrac{2x}{\dfrac{x}{3}+\dfrac{x}{6}}

v_{avg}=4 m/s

Hence, The average speed of particle during this  motion is 4 m/s.

DISPLACEMENT = 4

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ong>ANSWER:

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ong>ANSWER:

the tension THROUGHOUT the string is the same and equals T=2mg3 .

PULLEYS A and B have acceleration g3 each in DOWNWARD DIREACTION and pulley C has acceleration g3 in wpward direaction .

pulleys A,B and C all have accleration g3 in downward direction .

pulley A has acceleration g3 in downward direction and pulleys B and C have acceleration g3 each in upward direction .

Answer :

A::B::D

Solution :

Let T be the tension in string.

−2TaC+TaB−TaA=0

aa+2aC=aB…..(i),mg−2T=maC….(ii)

T−mg=maB…..(ii),mg−T=maA….(iv)

10ms^-2

that's the ANSWER

for example -squezing the lump of clay

2)taking a bite of an apple

3)when u FLUFF it PILLOW

4)when u brush ur hair

The time taken by a body THROWN up to reach maximum height is called its time of ASCENT.

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ong>Explanation:

Applications of Dimensional Analysis

We use dimensional analysis for three prominent REASONS, they are: Consistency of a dimensional equation. Derive RELATION between PHYSICAL quantities in physical phenomena. To change UNITS from one system to ANOTHER.

ong>Answer:

In physics, power is the amount of energy transferred or converted per unit time. In the International SYSTEM of UNITS, the unit of power is the watt, equal to one JOULE per second. In older WORKS, power is sometimes called activity. Power is a scalar quantity.

Explanation:

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ong>ANSWER:

ZERO (a)

Explanation:

the answer of this QUESTION is zero

hope this Will help U

ong>ANSWER:

ohh no baby

Explanation:

energy is very USE to sex continue ok so done and PLEASE number give your ok tumahare liye kiss he i LOVE you

5

Explanation:

................................................

EXPLANATION:

-15

ong>ANSWER:

SORRY bro I can find answer if displacement has also given because WORK DONE = force x displacement.

w = f × s = 15 × 5 = 75j. will be the answer

HEYA user here is UR answer....

the answer will be

d)All the above

ong>Answer:

A contact force is any force that requires contact to occur. Contact forces are ubiquitous and are responsible for most VISIBLE interactions between macroscopic collections of MATTER. Pushing a car up a hill or kicking a ball ACROSS a ROOM are some of the everyday examples where contact forces are at work.

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ong>Answer:

The HYDROSTATIC paradox states the fact that in DIFFERENT SHAPED containers, with the same base area, which are filled with a liquid of the same height, the applied FORCE by the liquid on the base of each container is EXACTLY the same.

SPEED = DISTANCE ÷ TIME = 5÷20 = 0.25

His speed was 0.25m/s

FORCE is the answer of this QUESTION.

ong>Answer:

THE FORCE WHICH IS CREATED BY THE IMPACT OF HUMANS.

Explanation:

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onal variations in where the Sun rises and sets and changes in the length of DAYLIGHT hours throughout the year are CAUSED by the constant tilt and orientation of the Earth's axis in relation to the plane of its ORBIT around the Sun (23.5 degrees from the VERTICAL, the North Pole pointing TOWARDS the star Polaris ...

ong>Answer:

magnetic FIELD and , GRAVITATIONAL field and ELECTRICAL fileds is your answer

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1)The MAIN parts of a tropical cyclone are the rainbands, the eye, and the eyewall.AIR spirals in TOWARD the center in a counter-clockwise pattern in the northern hemisphere (clockwise in the southern hemisphere), and out the top in the opposite direction.

2)Most of the TIME during the summer, the land is warmer than the OCEAN. This causes air to rise over the land and air to blow in from the ocean to fill the void left by the air that rose. ... These monsoon clouds that form are full of moisture from the ocean, so they can produce heavy rainfall for long periods of time..

━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

Friction can be REDUCED in number ways: ---> By applying Lubricants like Oil, Grease, Graphite powder etc. ---> By Polishing the SURFACES which makes its surface smoother . ... ---> By attaching rollers , sliding friction reduces to ROLLING friction.

Explanation:

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c

Explanation:

No......................... Only 3 MONTHS

ong>Answer:

For example the book is being pushed to the right side, the the force applying WOULD be marking it for the right side obviously, so the force applying in it will be a push DIRECTED to the right side. Hope this helps don't FORGET to mark me as the BRANLIEST and FOLLOW me!

ong>Answer:

When a body is dropped freely from a height, its INITIAL velocity (u) is zero. When a body is thrown VERTICALLY upwards, its final velocity (v) BECOMES zero.

Explanation:

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If there is a CHANGE in the position or state of the object , then the body is SAID to be in motion. Yes,it is a COMMON property. for example,running horse,vehicle moving,HUMAN running,jogging etc

Explanation:

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ong>Answer: -1.11 m sec^-2

v = u+at

v= 60 kmph

u=80 kmph

t= 5 sec

a= (v-u)/t

v-u or Detla V ie a decrease of 20 KMpH in 5 sec the SIGN is NEGATIVE . = -5.55 m/sec

plugging this in formula if a:

a=-5.55 / 5

= 1.11 m per sec^2

‐----‐-----

note 20 km = 20000 meters

note 1 HOUR = 3600 seconds