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Answer:

The condition in which a body covers EQUAL DISTANCE in an equal interval of the time is KNOWN to be UNIFORM VELOCITY. In equation( d=v t ) v is the average velocity of a body during

EXPLANATION:

The electric force is equal to the weight.

Electric force = Weight

Eq = MG

Electric field STRENGTH E = mg / Q

{mass should be in kg.}

E = (0.5×10-6) × 9.81 / (1.0×10-12)

E = 4.9×106 N C-1

Answer:

PHOTOSYNTHESIS, the process by which green plants and CERTAIN other organisms transform light energy into chemical energy. During photosynthesis in green plants, light energy is captured and used to convert water, carbon dioxide, and minerals into OXYGEN and energy-rich ORGANIC compounds.

Explanation:

Newton

GIVEN:

Renu is WALKING along a park with constant velocity .The length and the breadth of the park is 7m and 5m respectively.

To find:

Displacement after 2.5 ROUNDS?

Calculation:

• Let's assume that Renu started from a particular vertex of the rectangle.

• After 2 complete rounds, Renu will reach back to her starting point.

• In the next 1/2 or 0.5 rounds, she will reach the diametrically opposite vertex of the rectangle.

So, the displacement (being shortest length between starting and stopping point) will be the DIAGONAL.

ANSWER:

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1-d

2-e

3-b

4-a

5-c is the CORRECT ANSWER

Answer:

CARNOT engine is a theoretical thermodynamic CYCLE proposed by Leonard Carnot. It gives the estimate of the maximum possible EFFICIENCY that a heat engine during the CONVERSION process of heat into work and conversely, working between two reservoirs, can possess.

Explanation:

Answer:

And ASIDE from being ANNOYING to cut with, a dull knife can be seriously DANGEROUS. To keep your FINGERS (and your dinner) in good shape, you'll want to LEARN how sharpen a kitchen knife by using a whetstone or a sharpener, and maintain that edge by honing it with a steel rod.

Answer:

In EVERYDAY use and in KINEMATICS, the speed of an object is the MAGNITUDE of the RATE of change of its position with time or the magnitude of the change of its position per unit of time; it is thus a scalar quantity.

Answer:

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Explanation:

MAGNITUDE AND DIRECTION OF A VECTOR. Given a position vector →v=⟨a,b⟩,the magnitude is found by |v|=√a2+b2. The direction is EQUAL to the angle FORMED with the x-axis, or with the y-axis, depending on the APPLICATION. For a position vector, the direction is found by tanθ=(ba)⇒θ=tan−1(ba), as illustrated in Figure 8.8.

ANSWER:

FUNDAMENTALLY, a charge coupled device (CCD) is an INTEGRATED circuit etched onto a silicon surface forming light sensitive elements called PIXELS. Photons incident on this surface generate charge that can be read by electronics and turned into a digital copy of the light patterns falling on the device.

Explanation:

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FIRST we have to change 20 min into seconds,i.e.

20 \times 60

1200 seconds

Now we have to change 0.5km in metres,i.e.

0.5 \times 1000

500m

also 25 MINUTES into seconds =1500 seconds

now, Average speed is

Total distance travelled/total time taken

so,

500 + 500 \div 1500 + 1200

0.3m/s

EXPLANATION:

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Answer:

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● Two FORCE act on a BODY immersed in WATER one is its weight and the other is UPTHRUST of the liquid.

Answer:

Carnot Engine is REVERSIBLE and RUNS in a cycle, with all of its heat exchanges taking place at a source TEMPERATURE and a SINK temperature

ANSWER:

OPTION D

Explanation:

the PENCIL immersed in water appears to be BENT is due to refraction

Answer:

SURVIVE meaning is to LIVE on EARTH with all the REQUIREMENTS

ANSWER:

FIRST TELL the TIME . then only it can be solved

Explanation:

Answer:

average speed = distance/ time

distance = (30 + 40 + 26) KM = 96 km

time 3 hr

average speed 96 km/3 hr = 32 km/hr

average velocity = DISPLACEMENT/ time

From the given information, the motion APPEARS in straight line

without changing any direction.

hence displacement and distance are equal

Hence average velocity 32 km/hr

Contact force OCCURS DUE to the contact between TWO different objects. Non-contact force occurs due to EITHER attraction or repulsion between two objects such that there is no contact between these objects. ... The frictional force is an EXAMPLE of a contact force. Gravitational force is an example of a non-contact force.

Answer:

SOLUTION

Explanation:

Initial ENERGY of body of capacitance 4μF is U

i

=1/2×4×10

−6

×80

2

=0.0128J

Final POTENTIAL on this body after connection is

V=

4+6

4×80+6×30

=50V

so final energy on it,

U

f

=1/2×4×10

−6

×50

2

=0.005J Energy LOST by this body=U

i

−U

f

=7.8mJ

Answer:

100Ω...

100Ω...

100Ω...

Answer:

It is INDEPENDENT of the POSITION and surroundings of a body. It is a scalar quantity. It REMAINS CONSTANT at all places, PROVIDED the velocity of the body is not too high.

ANSWER:

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force=mass× ACCELERATION

Answer:

THE ENERGY STORED IN A SOAP BUBBLE OF DIAMETER 6CM AND T=0.04N/m IS NEARLY TO 0.7*10^-3J

Answer:

The drawbacks were:-

• It failed to EXPLAIN the STABILITY of Atoms
• COULD not explain how the moving electrons could remain in its orbit.
• What he said about it MEANT that we get CONTINUOUS Spectrum when energy is released. But in reality we get Line Spectrum

Answer:

Mixotrophic NUTRITION refers to ORGANISMS which are both autotrophs and heterotrophs. A mixotroph is an organism that can use a mix of different sources of energy and CARBON, instead of having a single trophic mode on the continuum from complete autotrophy at one END to heterotrophy at the other.

The KINGDOM Plantae is divided into five main divisions and they are as follows:

Thallophyta.

Bryophyta.

Pteridophyta.

Gymnosperms.

Angiosperms.

ANSWER:

DENSITY ρ = m/V

dρ/ρ = dm/m + dv/V

= 0.05/10 + 5/100

= 0.005 + 0.05

= 0.055

percentage ERROR in density = dρ/ρ X 100 = 5.5%

From the current DENSITY definition and Ohm's law, the Ampere circuital law Curl(H) = J can be derived. This is Maxwell's SECOND law of electromagnetics.

A Resistor is not marked with plus/minus signs.

Detailed Discussion:

• In a circuit, certain components such as a battery, resistor, rheostat, voltmeter, ammeter and key.

• Now, whenever we try to demonstrate the circuit in a circuit diagram we need to write the polarities of each of these components (except the resistor).

• Voltmeters are CONNECTED parallel to the circuit whereas ammeters are connected in series with the circuit. The polarity of these instruments FACING the the POSITIVE TERMINAL of the battery is marked as positive and vice VERSA.

Hope It Helps.

Answer:

Explanation:

CONCAVE mirror is used as a shaving mirror because when an OBJECT is PLACED between pole and focus of a concave mirror a virtual, ERECT and magnified image is formed. And therefore, OPTION a) Both Assertion and Reason are true and Reason is the correct explanation of Assertion is the correct option

Explanation:

Length L = 10cm

cross SECTION A = 2cm2

resistance R = 20 ohm

we have R = pL/A where p is the resistance

p = RA/ L = 20*2/10 = 4ohm

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EXPLANATION:

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Answer:

Example 8.7 The brakes APPLIED to a car produce an acceleration of 6 m sin the opposite DIRECTION to the motion. If the car TAKES 2 s to STOP after the APPLICATION of brakes, calculate the distance it travels during this time

Explanation:

Example 8.7 The brakes applied to a car produce an acceleration of 6 m sin the opposite direction to the motion. If the car takes 2 s to stop after the application of brakes, calculate the distance it travels during this time

ANSWER:

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If the weight of a GIVEN BODY is more than the weight of the fluid displaced by it then the body sinks in fluid.

Answer:

Explanation:An inelastic collision is one in which the internal kinetic energy changes (it is not conserved). This LACK of conservation means that the FORCES between colliding objects may remove or add internal kinetic energy. Work done by internal forces may change the forms of energy within a system. For inelastic collisions, such as when colliding objects stick together, this internal work may transform some internal kinetic energy into heat transfer. Or it may convert stored energy into internal kinetic energy, such as when exploding bolts separate a satellite from its launch vehicle.

Inelastic Collision

An inelastic collision is one in which the internal kinetic energy changes (it is not conserved).

(Figure) shows an example of an inelastic collision. Two objects that have equal masses HEAD toward one another at equal speeds and then stick together. Their total internal kinetic energy is initially \frac{1}{2}{\TEXT{mv}}^{2}+\frac{1}{2}{\text{mv}}^{2}={\text{mv}}^{2}. The two objects come to rest after sticking together, conserving momentum. But the internal kinetic energy is zero after the collision. A collision in which the objects stick together is sometimes called a perfectly inelastic collision because it reduces internal kinetic energy more than does any other type of inelastic collision. In fact, such a collision reduces internal kinetic energy to the minimum it can have while still conserving momentum.

Perfectly Inelastic Collision

A collision in which the objects stick together is sometimes called “perfectly inelastic.”

An inelastic one-dimensional two-object collision. Momentum is conserved, but internal kinetic energy is not conserved. (a) Two objects of equal mass initially head directly toward one another at the same speed. (b) The objects stick together (a perfectly inelastic collision), and so their final velocity is zero. The internal kinetic energy of the system changes in any inelastic collision and is reduced to zero in this example.

ANSWER:

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Explanation:

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Answer:Destarching occurs in a plant when a PART of a plant is "DEPRIVED of starch, as by translocation". It is also the process of eliminating starch reserves in a plant for experiments concerning photosynthesis. This is DONE by leaving the plant in a dark place for a LONG period of time.

EXPLANATION:

Answer:

They are the connected PARALLEL. If the equivalent RESISTANCE of this COMBINATION is ${R}'$, then the ratio $\dfrac{R}{R'}$ is? So the ratio RR′=25 , which is the required answer

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Answer:

sorry BUDDY i DONT KNOW ANAWER of UR question...

ANSWER:

GIVEN: L = 5 kgf, Load arm = 20 CM, Effort arm = 100 – 20 = 80 cm.

(SINCE the crow bar is the lever of first order with fulcrum in between the load and the effort).

(i) Mechanical advantage = Effort arm/Load arm = 80/20 = 4

(ii) M.A. = Load(L)/Effort(E)

∴ Effort = Load(L)/M.A. = 5/4

= 1.25 kgf.

related answer

1cm^3 is EQUAL to = 1 MILLILITRE

ANSWER:

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Explanation:

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ANSWER:

C both a and b

Explanation:

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Answer:

When resistors are connected in parallel, more current flows from the source than would FLOW for any of them individually, so the total resistance is LOWER. Each resistor in parallel has the same full VOLTAGE of the source applied to it, but divide the total current amongst them.

Explanation:

When resistors are connected in parallel, more current flows from the source than would flow for any of them individually, so the total resistance is lower. Each resistor in parallel has the same full voltage of the source applied to it, but divide the total current amongst them.

Answer:

U can find the DISTANCE of car by APPLYING the formulae for distance = speed × time

and for displacement= by making a graph and APPLY hypotenuse SQUARE on the shortest side thanks

ANSWER:

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