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ANSWER 1- the resistance that one surface or object ENCOUNTERS when moving over another.

answer 2-In PHYSICS, 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.

answer 3- gravity, also called gravitation, in mechanics, the universal force of attraction acting between all matter. ... On Earth all bodies have a weight, or downward force of gravity, proportional to their mass, which Earth's mass exerts on them. Gravity is measured by the acceleration that it gives to freely falling objects.

Answer:

This is your answer

Explanation:

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Answer:

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Answer:

• NICHROME wires are certainly incredibly resistant to ELECTRICITY. Furthermore, it is SIGNIFICANTLY useful as a heating element. Because of this, it has massive usage in commercial products and home tools. Moreover, hairdryers, OVENS, storage heaters, and toasters use nichrome wire coils.

Explanation:

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ANSWER:

number of DIVISIONS

Explanation:

least COUNT FORMULA LC = pitch of the screw / no of divisions

ANSWER:

the BUOYANT Force on Wood Will Be Zero More than the Weight of the Wood Piece EQUAL to the Weight of the Wood Piece

EXPLANATION:

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ANSWER:

For this I've to MAKE a DETAILED DESCRIPTION of this QUESTION

ANSWER:

Answer a

EXPLANATION:

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Explanation:

1st false

2nd true

3rd true

4th true

5tg false

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Answer:

km^2

if its VOLUME then km^3

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Answer:

CENTER of curvature[c] = 14 CM

focal length = c/2

                    =14/2

                    =7 cm

Explanation:

Answer:

ACCELERATION due to GRAVITY is the acceleration gained by an object due to GRAVITATIONAL FORCE. Its SI unit is m/s². It has both magnitude and direction, hence, it’s a vector quantity. Acceleration due to gravity is represented by g. The standard value of g on the surface of the earth at sea level is 9.8 m/s².

Answer:

0.243kg/m³

Explanation:

EDGE of ice CUBE = 3CM = 0.03m

volume = 0.03×0.03×0.03 = 0.000027m³

density of ice = 9000kg/m³

density = mass × volume

= 9000×0.000027 = 0.243kg/m³

Answer:

Angular VELOCITY is 1 rad/s

Explanation:

SPEED v = 5 cm/s = 0.05 m/s

radius R = 5 cm = 0.05 m

angular velocity ω = v/r = 0.05/0.05 = 1 rad/s

Answer:

Electrostatic potential at a point due to an electric dipole: Consider two EQUAL and opposite charges separated by a small distance 2a. ... Let 0 be the ANGLE between the line OP and dipole axis AB. Let r1 be the distance of point P from +Q and r1 be the distance of point P from -q.

EXPLANATION:

Acceleration (a) =5m/s2 and Mass (m) = 1000 KG, THEREFORE, Force (F) =?

We know that, F=m×a

=1000kg×5m/s2

=5000kg m/s2

Therefore, REQUIRED Force =5000m/s2 or 5000 N

ANSWER:

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ANSWER:

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THREE disadvantages of FRICTION are :

• Friction produces HEAT which damages the MOVING parts of a machine.
• Friction produces wear and tear on the contacting surfaces. This reduces the life of machine parts, tyres and shoe soles.
• A lot of energy is wasted in overcoming the friction before an object starts moving.

Answer:

Non-selective scattering occurs when the DIAMETER of the particles in the atmosphere are much LARGER than the wavelength of radiation. Non-selective scatter is primarily caused by water DROPLETS in the atmosphere. ... In the visible wavelengths light is scattered evenly, HENCE fog and clouds APPEAR white

EXPLANATION:

please SEE the attached PICTURE DEAR

ANSWER:

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ANSWER:

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Answer:

A quantitative FORM of Joule's law is that the heat evolved per SECOND, or the electric POWER loss, P, equals the current I squared times the resistance R, or P = I2R. The power P has units of watts, or JOULES per second, when the current is expressed in AMPERES and the resistance in ohms.

Answer:

The CYCLOTRON FREQUENCY does not DEPEND on the speed of the CHARGED particle.

Answer:

Ohm’s law gives resistance (R) of a RESISTOR as

V= IR

R= V/I

Where, POTENTIAL DIFFERENCE, V= 12 V

Current in the CIRCUIT, I= 2.5 mA = 2.5 x 10^-3 A

12 = 2.5 x 10^-3 R

Therefore, the resistance of the resistor is 4.8 x 10^3 Ω

How to calculate VELOCITY - speed vs velocity

• Set INITIAL velocity to zero, you're not moving at the beginning of the race.

• Multiply the acceleration by time to obtain the velocity CHANGE: velocity change = 6.95 * 4 = 27.8 m/s .

• Since the initial velocity was zero, the final velocity is equal to the change of speed.

ANSWER:

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EXPLANATION:

Terminal VOLTAGE is the voltage / POTENTIAL difference across the terminals of a CELL or battery. If the cell/battery is not connected to circuit then the terminal voltage/p.d is EQUAL to the e.m.f of the cell or battery.

Answer:

that is called CIRCULAR motion

Explanation:

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Answer:

The electric POTENTIAL is INVERSELY related to the square of the distance from the point CHARGE. This SUGGESTS that the farther away an object is from the point charge, the electric potential decays quickly

EXPLANATION:

a) the ANSWER is KINETIC ENERGY

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Answer:

AVERAGE speed=total distance/total time

=20/1 hour

=20km/h

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EXPLANATION:

ANSWER:

Electric POTENTIAL difference between two points in an electric circuit carrying some current is the work done to move a unit CHARGE from one point to another. THUS, potential difference is the work done per unit charge and is given as V =W/Q.

Explanation:

vHerodotus (484 B.C. – c. 425 B.C.) has generally been acclaimed as the "father of history" COMPOSING his The HISTORIES from the 450s to the 420s B.C. However, his CONTEMPORARY Thucydides (c. 460 B.C. – c.

Answer:

Least count = PITCH/ no of DIVISIONS in circular scale

Explanation:

LC = pitch/n = 1/100 = 0.01 mm

Answer:

MOLECULAR refraction is often represented as the SUM of the “refractions” of certain constituents that can be either atoms or GROUPS of atoms making a molecule of a COMPLEX compound, or bonds of the atoms in such a molecule

Answer:

7gcm−3.

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ANSWER:

Liquids expand for the same reason, but because the bonds between separate molecules are usually less tight they expand more than solids. ... HEAT CAUSES the molecules to move FASTER, (heat energy is converted to kinetic energy ) which MEANS that the volume of a gas increases more than the volume of a solid or liquids

Answer:

Calculate it's TIME PERIOD at a place where g= 10m/s² ... by suspending a bob of mass 500G by a string of LENGTH 1m. ... Time period (T)=2*pie(3.14)*square ROOT of(l/g)

Explanation:

Calculate it's time period at a place where g= 10m/s² ... by suspending a bob of mass 500g by a string of length 1m. ... Time period (T)=2*pie(3.14)*square root of(l/g)

Answer:

Melting ICE cube cools its surroundings because for ice to melt, it absorbs heat from the SURROUNDING which CAUSES the air around it to BECOME cool.

GOOD MORNING HELLO its ANSWER is

10s

Explanation:

• NOT DEFINED
• SCALER QUANTITY
• OSCILLATORY MOTION
• I DON'T KNOW
• V
• 0

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ANSWER:

organic CHEMISTRY is the study of STRUCTURE of ELEMENTS

Explanation:

In mathematics, a polynomial is an expression consisting of variables (ALSO CALLED indeterminates) and coefficients, that involves only the operations of addition, SUBTRACTION, MULTIPLICATION, and non-negative integer exponentiation of variables. An example of a polynomial of a single indeterminate x is x2 − 4x + 7.

ANSWER:

PARSEC = 20.6147 × 10⁴ A.U. ⇒ 1 Parsec ≈ 2.06 × 10⁴ A.U. THUS, the RELATION between the Parsec and the A.U.

Answer:

100km

74m

Explanation:

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