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We will justify all the statements one by one as: (a). The weight of the BOOK at rest on a table cannot any do WORK as the book is at rest. So, the work done by this FORCE is Zero. (B). The pulling force applied by the railway engine on its coaches is doing work, as the force applied by the engine results in the motion of the coaches. (c). The tension force is an elastic band wrapped around a parcel cannot any do work, as there is no motion of the parcel because of the tension force of the rubber band. (d). The push of the person's feel on a floor when he is standing cannot do any work because there is no motion involved due to the applied force.Therefore, the answer is: (b). The pull of a moving railway engine on its coaches. Explanation:I hope you understand

eleration of free-falling objects is called the acceleration due to gravity, SINCE objects are pulled TOWARDS the center of the EARTH. The acceleration due to gravity is constant on the surface of the Earth and has the value of 9.80 ms2 m s 2 .

I don't KNOW SRY MAA sryy maa PLZZ yaaExplanation:i don't know sry maa sryy maa plzz

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Exactly on 24th of September, 622 A.D, the PROPHET Hazrat MUHAMMAD Sallallahu Wasalam MIGRATED from Makka to Madina in ORDER to escape persecution.Hope it helps...Follow me..Please mark it as the Brainliest..

Short-term GOAL is something you WANT in the near future or can be achieved in 12 MONTHS or lessExplanation:PLEASE give me brainlist

No medium is REQUIRED for TRANSFER of HEAT by the PROCESS of radiation

Explanation:The well-established negative health outcomes of sleep deprivation, and the suggestion that availability of electricity may enable LATER bed times without compensating sleep extension in the morning, have stimulated interest in studying communities whose sleep pattern may resemble a pre-industrial state. Here, we describe sleep and activity in two neighbouring communities, one urban (Milange) and one rural (Tengua), in a region of Mozambique where urbanisation is an ONGOING process. The two communities differ in the amount and timing of daily activity and of light exposure, with later bedtimes (≈1 h) associated with more evening and less daytime light exposure seen in the town of Milange. In contrast to previous reports COMPARING communities with and without electricity, sleep duration did not differ between Milange (7.28 h) and Tengua (7.23 h). Notably, calculated sleep quality was significantly poorer in rural Tengua than in Milange, and poor sleep quality was associated with a number of attributes more characteristic of rural areas, including more intense physical labour and less comfortable sleeping ARRANGEMENTS. Thus, whilst our data SUPPORT the hypothesis that access to electricity delays sleep timing, the higher sleep quality in the urban population also suggests that some aspects of industrialisation are beneficial to sleep.

strain homeostasis can INFLUENCE which of the different mechanosensors WORK together to orchestrate a concerted response and governs how the SIGNAL is INTEGRATED [15],[16]. External forces experienced by cells and tissues include TENSION, compression, shear, swelling and membrane curvature.

Length of CANTILEVER, L=50cm=0.5mDeflection at the end w(L)=15mmFind: Deflection w(x) at 30CM from rigid end.Depression at a point in a cantilever beam with load at one end is GIVEN by,w(x)= 6EIPx 2 (3L−x) We have,w(L)w(x) = 3EIPL 3 6EIPx 2 (3L−x) w(0.5m)w(0.3m) = 3EIP(0.5) 3 6EIP(0.3) 2 (3(0.5)−0.3) This gives, w(0.3m)=6.48mm

as FOLLOWS Explanation:1 VELOCITY is 12m2 it 3hr48min

b.Frequency of SOUND WAVE. Is the RIGHT ANSWER

a.) EXPLANATION:they do not INTERSECT each other.

Explanation:Iron, lead, BRASS and glass spheres of EQUAL mass heated to same TEMPERATURE are placed on a paraffin plate.Which will come out through the plate first Iron.

Uniform motion occurs when an object TRAVELS equal DISTANCES in equal TIME intervals. Uniform motion happens when the object is MOVING with a constant velocity. Non-uniform motion occurs when an object travels different distances in equal time intervals.Explanation:

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pe of QUESTION is this??Write it PROPERLY friend.Have a GREAT DAY ahead.THANK YOU..

Heya!!!EXPLANATION:Here is your ANSWER Given : Mass (m) = 60 kg Speed (v) = 20km/h = 50/9 m/s  = 5.55 m/s To find : Kinetic energy (K.E.) SOLUTION : K.E. = 1/2mv² K.E. = 1/2*60*(5.55)² K.E. = 30*30.8 K.E. = 924 kg m/s or Joule So, the kinetic energy of a body having mass 60 kg moving with speed of 20km/h  will be 924 Joule.#Hope it helps :D#Stay SAFE :D

Friction is a force that RESISTS the RELATIVE motion between two objects or materials. The causes of this resistive force are molecular adhesion, surface roughness, and DEFORMATIONS. Adhesion is the molecular force resulting when two materials are brought into close contact with each other.Explanation:Mark as brainlist and follow me

the AMPLITUDE LOUDER is the LOUDNESS of SOUND

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atoms are fundamental party GIRLS offer ELEMENT and elements are fundamental PARTICLES of a compound

ttachment for ONE example.Another example can be when we are playing a GAME of tug of WAR, TWO teams pull the same rope from two different sides, making the muscular force APPLIED on two different directions.Hope it helps.

both ASSERTION and REASON are CORRECT

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The seven elements of art are line, shape, space, value, FORM, texture, and COLOR. These elements are the building blocks, or ingredients, of art. A line is a mark made on a surface. ... Form MEANS the artwork has height, width, and depth.Explanation:plz mark me as brain list PLEASE REPLY it is very important for me

i UNDERSTAND that SUMI REALIZED that his is my MISTAKE...

Mark me as brainliest EXPLANATION:TIME taken : 5 secCover DISTANCES : 100 mtrTo be covered : 800 mtr800 X 5-------------100Ans: 40 sec

the PERSON was at the REST who is at MOTION while GOING on the BUS