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Answer:

Gravity: the natural force that makes things fall to the ground when you drop them

Force. a force is any influence that, when UNOPPOSED, will CHANGE the MOTION of an object. A force can cause an object with mass to change its velocity, i.e., to ACCELERATE. Force can also be described INTUITIVELY as a push or a pull. A force has both magnitude and direction, making it a vector quantity.

Friction, the rubbing of one surface or thing against another

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Which of the following is not a PROPERTY of magnetic lines?

C. magnetic FIELD lines intersect each other

ANSWER:

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ANSWER:

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Explanation:

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Answer:

Given that

The height of object = 5cm

POSITION of object, u = – 25cm

The focal length of the lens, f = 10 cm

We need to find

The position of the IMAGE, v =?

Size of the image

Nature of the image

Formula

We know that

1/v – 1/u = 1/f

Substituting the known values in the above equation we get,

1/v + 1/25 = 1/10

=> 1/v = 1/10 – 1/25

=> 1/v = (5 – 2)/50

Hence, 1/v = 3/50

So, v= 50/3 = 16.66 cm

Therefore, the distance of the image is 16.66 cm on the OPPOSITE side of the lens.

Now, we know that

Magnification = v/u

Hence, m = 16.66/-25 = -0.66

Also, we know that

m= height of image/height of the object

Or, -0.66 = height of image / 5 cm

Hence, height of image = -3.3 cm

The negative sign of the height of the image DEPICTS that an inverted image is formed.

So, the position of image = At 16.66 cm on the opposite side of the lens

Size of image = – 3.3 cm at the opposite side of the lens

Nature of image – Real and inverted

Answer:

In physics, circular motion is a MOVEMENT of an object ALONG the circumference of a circle or rotation along a circular path. It can be UNIFORM, with constant angular rate of rotation and constant SPEED, or non-uniform with a changing rate of rotation.

ANSWER:

LARGER

EXPLANATION:

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ANSWER:

A is the CORRECT answer DEAR!

2. A flying bird possesses only KINETIC energy.

3. A stone is PROJECTED in the vertically upward

direction. Then its potential energy changes

to kinetic energy.

4. The product of mass and vertical

displacement of a body is an expression

for its potential energy.

5. When a MOVING pendulum stops, its energy

is destroyed.

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Answer:

A conductor is a material which contains movable electric charges. In METALLIC conductors, such as COPPER or aluminum, the movable charged particles are electrons, THOUGH in other cases they can be ions or other POSITIVELY charged species.

By Akshat Nashine

ANSWER:

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Explanation:

ANSWER:

CURRENT = Charge/Time. ∴ I = 0.83 A. Hence, the current FLOWING in the CONDUCTOR in 10 minutes is 0.83 A. HOPE it helps.

Answer:

Earthing

Explanation:

Earthing is a safety measure to PREVENT LEAKAGE of electricity and HENCE any chance of electrocution

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ANSWER:

CORRECT answer is SOLENOID

ANSWER:

29. a

30. C

31.a

32.b

33.b

34.d

35.c

ANSWER:

Newton's third law of motion is known as law of action and reaction. Its states that to every action, there is always an equal and OPPOSITE reaction i.e., the FORCES of action and reaction are always equal and opposite. These forces ACT on two different objects and never CANCEL each other.

Answer:

10m/s

Explanation:

speed=distance /TIME

distance=3000m

time =5×60sec=300sec

speed=3000/300 =10m/s

ANSWER:

An artesian aquifer is a confined aquifer containing GROUNDWATER under positive pressure.An artesian aquifer has trapped water, surrounded by layers of impermeable rock or clay which apply positive pressure to the water contained within the aquifer.If a well were to be sunk into an artesian aquifer, water in the well-pipe WOULD rise to a height corresponding to the point where hydrostatic equilibrium is reached.

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Answer:

19 TH option A

Explanation:

velovity is DISPLACEMENT / TIME.

1. F

2. T

3. T

4. T

5. T

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EXPLANATION:

In symbols, this is ω=ΔθΔt ω = Δ θ Δ t , where an angular ROTATION Δθ takes place in a time Δt. The GREATER the rotation ANGLE in a given amount of time, the greater the angular VELOCITY

ANSWER:

a. MOLTEN lron

E. ZERO RESISTANCE

we can first law gives the QUALITATIVE definition of FORCE. Because force is needed to push,PULL and bring objects into motion.hence NEWTONS first law of motion gives a qulitative definition of force. The first law says that "The state of motion of an object will not change UNLESS acted upon by an outside force"

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Answer:

The force used by pedaling enables the gears of a bike to spin the back WHEEL. As the back wheel rotates, the tire uses friction to grip the area and MOVE the bike in the DESIRED direction.

Explanation:

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ANSWER:

KEEP the MOBILE speaker on your EAR then you will KNOW

ANSWER:

Increases

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Explanation:

5 a ,6 a, 7 B ,8c ,9 a, 10 C

STEP by step

Explanation:

Correct answer is (c)

the effective diameter of the CIRCULAR OUTLINE of a SPHERICAL lens is APERTURE.

Answer:

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When an AREA of the surface projected in a plane perpendicular to the FIELD is multiplied by the ELECTRIC field is the electric flux. It states that, the total electric flux of a given surface is equal to the 1Eθ times of the total CHARGE enclosed in it or amount of charge contained WITHIN that surface.

Explanation:

Answer:

c

Explanation:

will be absorbed because in REFLECTIVE index the LIGHT travel in air to GLASS slab will bend

Answer:

INERTIA of a BODY depends on its mass. Inertia is directly PROPORTIONAL to mass, i.e. greater the mass of a body, greater is its inertia.

Answer:

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ANSWER:

ftfufvyh jvpoi vlifgu cvsr

Explanation:

ANSWER:

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Explanation:

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Answer:

97.1 KG

EXPLANATION:

PLEASE RATE and FOLLOW.

ANSWER:

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Explanation:

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Answer:

Acceleration is the rate of change of velocity. USUALLY, acceleration means the SPEED is CHANGING, but not always. When an OBJECT moves in a circular PATH at a constant speed, it is still accelerating, because the direction of its velocity is changing.

Answer:

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Root pressure is the transverse osmotic pressure within the CELLS of a root system that CAUSES sap to RISE through a plant stem to the leaves. Root pressure occurs in the xylem of some vascular plants when the soil moisture level is high EITHER at NIGHT or when transpiration is low during the day.

Answer:

1.55m

Explanation:

TIME PERIOD is OSCILLATIONS PER second.^-1

Therfore: 5/2=2.5

2.5=2π√l/√g=1.55m

Answer:

Explanation:

Cells are the basic BUILDING blocks of all living things. The human body is composed of trillions of cells. They provide STRUCTURE for the body, take in nutrients from food, convert those nutrients into energy, and CARRY out specialized functions

ANSWER:

abc

Explanation:

ANSWER:

नियमित रूप से व्यायाम करने से मेटाबॉलिज्म बेहतर होने के साथ ही कैलरी भी तेजी से बर्न होती है और वजन नियंत्रण में रहता है। नियमित व्यायाम शरीर ही नहीं बल्कि दिमाग को भी तेज रखने में उपयोगी साबित होता है। तनाव, सिर दर्द और अवसाद जैसी कई समस्याओं को नियमित व्यायाम की मदद से कम या ठीक किया जा सकता है।

ANSWER:

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Explanation:

Heat is the form of energy that is TRANSFERRED between systems or OBJECTS with different temperatures (FLOWING from the high-temperature system to the low-temperature system). ALSO referred to as heat energy or THERMAL energy.

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