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ISHITA's MATHS TEACHER is there

EXPLANATION:

-3 MG d/4

this is your ANSWER

ANSWER:

by CONVEX mirror

Explanation:

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ANSWER:

because MASS is NEGLIGIBLE COMPARED to HEAT

ANSWER:

the answer is 49 5×9.8= 49

That is a diagram of CATHODE ray OSCILLOSCOPE this photo may make it EASIER for you to UNDERSTAND

Explanation:

Weight = mass * gravity

Weight = 5 * 9.8 N

Weight = 49 kg

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Answer:

4s

Explanation:

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ANSWER:

Sorry DEAR I can't UNDERSTAND this QUESTION sorry dear

ANSWER:

Hey Hi...

Explanation:

In the north direction.

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I'm from KARNATAKA...

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EXPLANATION:the forces acting WOULD be :-magnetic forcesgravity

AND SINCE THE CAR IS ATTACHED TO THE ELECTROMAGNET , THEREFORE WE CAN SAY THAT IT IS STRONGER THAN GRAVITY . AS IF GRAVITY WERE TO BE GREATER THE CAR WOULD HAVE FALLENHOPE THIS HELPS

ANSWER:

U= -30cm

v= -45cm

1/u + 1/v = 1/f

1/-30 + 1/-45 = -75/1350

1/8=1/f

f=8cm

image

1. real
2. inverted
3. magnified

so, the RATIO of their KINETIC ENERGY is 4:1.

ANSWER:

the FOCAL LENGTH will be (a) 5CM

Answer:

8210077544 what's APP NUMBER AA MERA

EXPLANATION:

weight of a BODY = MG

= 10 X 9.8

= 98 N

Answer:

1 mA = 10-3 A

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

Answer:

A magnet can be made by PUTTING a soft IRON rod in a SOLENOID while PASSING the CURRENT

Answer:

An INCIDENT ray when strikes the SURFACE and that striking BACK is KNOWN as reflection

EXPLANATION:

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Answer:

EXPLANATION:

sacrificial coatingA metal COATING that is more likely to be oxidized than the metal it protects.

galvanizeTo COAT with a thin layer of metal by electrochemical means; to electroplate.

electrolyteA SUBSTANCE that, in solution or when molten, ionizes and conducts electricity.

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Answer:

Part i)

Resonance frequency is F = 35.33 Hz

Part ii)

At resonance condition net impedence is purely resistive in nature

Z = R = 60 ohm

current in the circuit is given as

i = 3.33 A

Power consumed in resonance condition is given as

P = 666.67 W

Explanation:

Part i)

When resonance OCCURS in series LCR circuit then power dissipated ACROSS the resistor is maximum

so it is purely resistive circuit

so we have

now we know that

L = 50.96 mH

now we have

Part ii)

At resonance condition net impedence is purely resistive in nature

so we have

current in the circuit is given as

Power consumed in resonance condition is given as

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Topic : AC Resonance circuit

brainly.in/question/6878333

Answer:49N

Explanation:

As we KNOW that

W=mg

W=5×9.8

W=49N

Answer:

Stepwells are wells or ponds in which the water is reached by descending a set of steps to the water level. They may be multi-storied with a bullock turning a water wheel to raise the well water to the first or second floor. They are most common in WESTERN India and are also found in the other more arid REGIONS of the INDIAN subcontinent, extending into Pakistan. The construction of stepwells is mainly utilitarian, though they may include embellishments of architectural significance, and be temple tanks.

Stepwells are examples of the many types of storage and irrigation tanks that were developed in India, mainly to COPE with seasonal fluctuations in water availability. A basic difference between stepwells on the one hand, and tanks and wells on the other, is to make it EASIER for people to reach the groundwater and to maintain and manage the well.

Answer:

4s

Explanation:

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An ideal is a MODEL of something perfect or without equal. As an adjective, ideal describes this ULTIMATE standard for excellence, or something that exists only as an idea. If you have high IDEALS, you have very strong BELIEFS about what is good and RIGHT, and maybe even how best to save the world.

@........⭐⭐

Answer:

civil rights movement. The national effort made by black people and their SUPPORTERS in the 1950s and 1960S to eliminate segregation and gain equal rights. ... The FEDERAL Civil Rights Act of 1964 authorized federal action against segregation in PUBLIC accommodations, public facilities, and employment.

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ANSWER:

Sexual harassment is defined as unwelcomesexual advances, requests for sexual favors, and other verbal or PHYSICAL conduct of a sexualnature when either: The conduct is made as a term or condition of an individual's employment, EDUCATION, living environment or participation in a University community.

ANSWER:

pc=nrt is the EQUATION of IDEAL GAS

ANSWER:

but where is FOOD MATERIAL

Answer:

g = G m1×m2/r^2 PUT the VALUES in this formula you will get answer

the you will get (g) is the ACCELARATION DUE to GRAVITY then this formula

w=m×g you will get both the answer

On pulling the BLOCK by a force F, we know that a restoring force is developed in it, and is given by,

where X is the displacement of the block after being pulled.

We have to find the maximum velocity attained by the block when it is released after being pulled.

The acceleration of the block here,

But,

Then,

Now it's time for integration.

→ The velocity (LHS) is integrated from 0 (SINCE the block is released from rest) to the maximum velocity .

→ The maximum velocity is attained when the block moves the same distance x backwards, i.e., in the opposite direction of the pulling. So the displacement (RHS) is integrated from x (since the block is released after being pulled by x) to 0.

So,

Hence (a) is the ANSWER.

Explanation:

rail ROAD tracksand bridges are example for THERMAL expansion of solid.for example ,have expansion JOINTS to allow THEMTO freely expand and contract with TEMPERATURE changes this is example for real life application

When one end of CAPILLARY TUBE of radius r is immersed into a liquid of density ρ which wets the sides of the capillary tube (water and capillary tube of GLASS), the SHAPE of the liquid meniscus in the tube becomes concave upwards.

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ANSWER:

MUSLIM sovereign

Explanation:

Given that :

• Image distance (v) = 30 cm

• Radius of CURVATURE (R) = 20 cm

• Object distance (u) = ?

Note :-

→ Focal length of a converging mirror is positive .

we know that ,

•°• object distance is 15 cm

Given :-

A man is texting on his phone as he drives his  car at 40 km/h.

He suddenly notices a child is  crossing the road so he rams his BRAKE bringing the  car to STOP in 2s.

Mass₁ = 4000 kg

Mass₂ = 60 kg

To Find :-

The retarding force on the car.

Solution :-

We know that,

• u = INITIAL VELOCITY
• t = Time
• v = Final velocity
• f = Force
• m = Mass

Given that,

Mass₁ = 4000 kg

Mass₂ = 60 kg

Total mass (m) = 4000 + 60 = 4060 kg

Initial velocity (u) = 40 kmph = 11.11 m/s

Final velocity (v) = 0

Time (t) = 2 s

By the formula,

Substituting their values,

THUS,

Substituting their values,

Therefore, the retarding force on the  car is -22553.3N or -2.3 x 10⁴ N

So U have a simple formula here......

FREQUENCY*wavelength = speed

Therefore....f = c/wavelength

f = 339/0.015

f = 22600 HZ

MOMENT of inertia for...

(1) RING = mr^2

(2) disc = 1/2(mr^2)

Answer:

11.471s

Explanation:

Her's a PHOTOGRAPH of the CALCULATION.

Answer:

Fresh apple SHINE..

In markets u MIGHT some glossy texurted apples as they apply wax over them for the customers to feel ATTRACTED and to BUY it

Answer:CONVEX mirror

Explanation:To GET a LARGER field of view

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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.

Answer:

6sec

Explanation:

DISTANCE =990m

speed=330m/s

speed=distance/time

so,time=distance/speed

time=990/330

time=3sec

as she HEARS the echo after REFLECTION the time will be 2 times

so 3×2=6sec

Answer:

ECHO is defined as a sound repeating by sound wave reflection, having a LASTING or far reaching impact, or repeating what someone else has SAID. An example of echo is the repeating of a sound created by footsteps in an empty MARBLE HALLWAY.

ANSWER:

Area of toy=side * side

=6 * 6= 36 cm SQUARE

Answer:

area of SQUARE = s×s

Explanation:

SIDE =6

area =s×s

area = 6×6

=36 cm²

Answer:

Since the wave forms 2 complete CYCLE and one half cycle so

No of Cycles = 2.5

Let the wavelength of wave = x cm

Here it is given in the question that

2.5 x (x) = 20 cm

x = 8 cm

Can ALSO be WRITTEN as 0.08 m

Explanation:

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