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Law of COSINES signifies the relation between the LENGTHS of SIDES of a triangle with respect to the cosine of its ANGLE. ... If ABC is a triangle, then as per the statement of cosine law, we have: a2 = b2 + c2 – 2bc cos α, where a,b, and c are the sides of triangle and α is the angle between sides b and c.

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tion:DERIVATION of Conservation of MomentumApplying Newton's third law, these two IMPULSIVE forces are equal and opposite i.e. If the TIME of contact is t, the impulse of the force F21 is equal to the change in momentum of the FIRST object. The impulse of force F12 is equal to the change in momentum of the second object.

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It is difficult to shoot a fish swimming in water because due to the refraction at water and AIR interface, the fish appears to be raised, and seems to be close to the surface this is called 'APPARENT depth'. The SHOOTER aims the gun at apparent position of the fish, instead of real position.Explanation:Hope it helps you

ting EFFECT produced by an electric current, I through a conductor of resistance, R for a time, t is given by H = I2Rt. This equation is CALLED the Joule's equation of electrical heating. B)The resistance of the filament USED in the bulb.

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(B) (1.0 + 0.1) cmExplanation: (3.0 + 0.2) CM- (2.0 + 0.1) cm (1.0 + 0.1) cm

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tion:Law of conservation of MOMENTUM states that in the absence of external forces, total momentum of a system comprising of two or more interacting BODIES is constant.Derivation:Thus, we conclude that during the interaction between the two balls, momentum before COLLISION is EQUAL to total momentum after collision. Thus, the momentum of the system is conserved in the absence of external forces.

tion:to get to see if the CHARGE LEVEL of detail and the SURROUNDING COUNTRYSIDE

and its density is 13.5gm/ec. ANGLE of contactbetween MERCURY and glass is 135ºhey why you answer my question I asked for DETAILED answers

For a 2-input NAND gate, the output Q is NOT TRUE if BOTH input A and input B are true, GIVING the BOOLEAN Expression of: ( Q = not(A AND B) ).

Let say P 1 and P 2 are the excess pressure on the TWO SIDES of the interface then the resultant excess pressure is P⇒P=P 2 −P 1 ⇒ r4T = r 2 4T − r 1 4T ⇒ r1 = r 2 1 − r 1 1 ⇒ r= r 1 −r 2 r 1 r 1

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One of the most fantastic displays of electricity in nature is LIGHTNING. Lightning occurs when large amounts of electrostatic ENERGY builds up in CLOUDS from the energy of STORMS. ... Lightning may occur from cloud to cloud or it can occur from cloud to the GROUND. Lightning strikes carry huge amounts of energy.

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1. Suriin ANG larawan at magbigay ng reaksyon sa tanawing nakikita.2. Ibigay ang mga produktong pinagkakakitaan ng mga TAO o URI ng hanapbuhay sa Bohol. Satingin mo ano-ano KAYA ang mga likas na yaman ng probinsya batay sa mga narinig onapanood sa telebisyon? 1. Suriin ang larawan at magbigay ng reaksyon sa tanawing nakikita.2. Ibigay ang mga produktong pinagkakakitaan ng mga tao o uri ng hanapbuhay sa Bohol. Satingin mo ano-ano kaya ang mga likas na yaman ng probinsya batay sa mga narinig onapanood sa telebisyon? 1. Suriin ang larawan at magbigay ng reaksyon sa tanawing nakikita.2. Ibigay ang mga produktong pinagkakakitaan ng mga tao o uri ng hanapbuhay sa Bohol. Satingin mo ano-ano kaya ang mga likas na yaman ng probinsya batay sa mga narinig onapanood sa telebisyon? 1. Suriin ang larawan at magbigay ng reaksyon sa tanawing nakikita.2. Ibigay ang mga produktong pinagkakakitaan ng mga tao o uri ng hanapbuhay sa Bohol. Satingin mo ano-ano kaya ang mga likas na yaman ng probinsya batay sa mga narinig onapanood sa telebisyon? 1. Suriin ang larawan at magbigay ng reaksyon sa tanawing nakikita.2. Ibigay ang mga produktong pinagkakakitaan ng mga tao o uri ng hanapbuhay sa Bohol. Satingin mo ano-ano kaya ang mga likas na yaman ng probinsya batay sa mga narinig onapanood sa telebisyon? 1. Suriin ang larawan at magbigay ng reaksyon sa tanawing nakikita.2. Ibigay ang mga produktong pinagkakakitaan ng mga tao o uri ng hanapbuhay sa Bohol. Satingin mo ano-ano kaya ang mga likas na yaman ng probinsya batay sa mga narinig onapanood sa telebisyon?

Answer: C.The motion consists of 2 parts:1. motion with constant acceleration of 2.5 m s-22. motion with constant speed of 10 m s-1Let the duration of the acceleration be t1.v = u + atTime t1 = (v – u) / a = (10 – 0) / 2.5 = 4 sLet the distance travelled during the acceleration be s1.Acceleration a = 2.5 m s-2Initial speed u = 0 (at start)Final speed v = 10 m s-1We want to find distance s1. The equation that relates a, v, u and s is v2 = u2 + 2asDistance s = (v2 – u2) / 2aDistance travelled s1 = (v2 - u2) / 2a = (102 – 0) / (2 × 2.5) = 20 MTHE remaining distance of the 100 m race is COVERED at the constant speed of 10 m s-1.Remaining distance = 100 – 20 = 80 mLet the time taken to cover the remaining distance be T2.Speed = distance / timeTime t2 = distance / speed = 80 / 10 = 8 sTotal time taken = 8 + 4 = 12 s

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philosophy is scienceExplanation:PHYSICS is meant by philosphy of science because,physics is a SUBJECT which has most complicated LAWS and sub divisions, it concerned by the nature of PROPERTIES and matter

tion:Newton's second law of motion is F=maThat is we have:-F=m(v− tu ) thus, Ft=mv−mu.Now,When F=0, then v=u. That is the absence of force,The object continue to move with same velocitythroughout.Now,when F=0 and u=0, then v=0. That is , an object at rest if no force is acting on it.Thus,Newton's first law is derived from the second law.Now let us consider a system of 2 bodies 1&2 and CONSIDERS that there is no external force acting. Now let F 12 be the force acting on 2 by 1 and F 21 be the force acting on 1 by 2.The RATE of change of momentum of 1= dtdp 1 and rate of change of momentum of 2= dtdp 2 Thus, according to Newton second law of motion F 12 = dtdp 2 and F 21 = dtdp 1 Adding both the above equation, we get:-F 12 +F 21 = dtdp 2 + dtdp 1 =d(p 2 +p 1 )/dtWe know that, no force is applied. Thus momentum change will also be 0 change in velocity occurs.Thus dtd(p 1 +p 2 ) =0Therefore, F 12 +F 21 =0That is F 12 =−F 21 Thus, Newton's third law is proved with Newton's second law.

Explanation: Refraction is the process of BENDING of light as it moves from one medium to another. When light ray from air in incident to a glass SLAB at any angle except 90 degrees, refraction occurs and the light ray BENDS towards the normal.Explanation:

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The term happiness is used in the context of MENTAL or emotional states, including POSITIVE or pleasant emotions RANGING from CONTENTMENT to intense joy. It is also used in the context of life SATISFACTION, subjective well-being, eudaimonia, flourishing and well-being. Hope it's helps...

An EXAMPLE of a substance that sublimes is dry ice.Chromatography is based on the principle of DISTRIBUTION coefficient of COMPOUND in STATIONARY and mobile phase.

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tern and amount of splittingin an atomic spectral line denote the presence of a magnetic FIELD and its strength. The splitting is ASSOCIATED with what is called the ORBITAL angular momentum quantum number L of the atomic LEVEL. This quantum number can take non- negative integer VALUES.

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11Explanation:18-1=1717×1=1717-6=11

tion:1 COULOMB have 1/6242000000000000000 ELECTRONES PRESENT in it. So coulomb is a very large unit of electric charge.

An order of magnitude is an approximation of the logarithm of a value relative to some contextually understood reference value, usually TEN, interpreted as the base of the logarithm and the representative of values of magnitude one. Logarithmic DISTRIBUTIONS are common in NATURE and considering the order of magnitude of values sampled from such a DISTRIBUTION can be more intuitive. When the reference value is ten, the order of magnitude can be understood as the number of digits in the base-10 representation of the value. Similarly, if the reference value is one of certain powers of two, the magnitude can be understood as the amount of computer memory needed to store the exact integer value.