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A man raises a box of mass 50KG to a height of 2m in 10S , while ANOTHER man rises the same box to the same height in 50s. Compare :(i) the WORK done, and (ii) the POWER developed by them.Explanation:hope it help you mark at brainlist

) 12MS 12X10 I THINK so this is ANSWER

re, the INITIAL VELOCITY of the OBJECT (u) = 20 m/s and final velocity (v) = 0 m/s Value of g = -9.8 m/sfrom Newton's third equation of the motion = 2 gh = v^-u^ 2×- 9.8 × h = 0^ - 20^ -19.6 × h = -400 h = -400/-19.6 h = 2.04 m

s the BODY WEIGHT will be MAXIMUM

24 , (1.6 , 3.2 ) , 4 m/sExplanation:First, you have to understand the concept related to the QUESTION. Here, one formula: F = ma , is enough to solve the first THREE questions.Take 1st question:`1.)      Mass of the BODY is 12 kg, acceleration is 2 . Force is the product of mass and acceleration, which is 12 x 2 = 24 .2.)      Here, force and mass is given, they are asking acceleration. Same formula: F = ma : 80 = 50 a : a = 8/5 = 1.6 If mass is halved, then acceleration will double as: a = F/m, as m decreases, a increases. So acceleration will become 1.6 x 2 = 3.2 3.)      For the third question, you have to understand that since force is acting, acceleration will act. Acceleration is just rate of change of velocity, which means 'how much velocity will change per second'. So you have to subtract final and initial velocity and then divide it by time to find acceleration.First find acceleration initially:u = 1.8 m/s, v = 4.2 m/s, t = 1.2 secondsa = (v - u)/t = 2.4/1.2 = 2 This same acceleration will be applied after two seconds, when its initial velocity will be 4.2 m/s for two seconds.So later, u = 4.2 m/s, a = 2 , t =2Using equation of motion: v = u + at:v = 4.2 + 2(2) = 4.2 + 4 = 8.2 m/sSpeed change will be 8.2 - 4.2 = 4 m/sHope it helps!

tion:116-a-6m/s^2117-b-432m118-c-36m/s119-30m/s^2120-a-21m

Define Latent heat of fusion??During the process of melting, the solid and liquid PHASES of a pure substance are in equilibrium with each other. The amount of heat REQUIRED to convert one unit amount of substance from the solid phase to the liquid phase — leaving the temperature of the system unaltered — is known as the latent heat of fusion.As a consequence, the latent heat of fusion depends upon the crystal form of the solid phase which should be strictly specified. Direct measurements of moderate accuracy of the latent heat of fusion is relatively straightforward with modern differential scanning calorimeters over a moderate range of conditions of temperature and pressure. In principle, the Clausius-Clapeyron Equation is available,where the subscript m denotes along the melting line. This implies that information on the variation of the melting temperature with pressure is available; but this is seldom the case so it is not a practical route to evaluate ΔHSL. Compilations of experimental results of DHSL are available for a number of materials [Weast (1982)], but there is no RELIABLE means of their ESTIMATION [Reid et AL.(1977)].

Gravity acceleration is a vector quantity, with direction in addition to magnitude. In a spherically SYMMETRIC Earth, gravity WOULD point directly towards the SPHERE's centre.Explanation:Please GIVE thanks

സേ) റി എന്ന നിക്ക അറിയില്ലാ /EXPLANATION:സോറി ടാ

The total number of DIVISIONS on the circular SCALE is 50. Further, it is found that the screw gauge has a zero error of -0.03 mm. While measuring the diameter of a thin wire, a student NOTES down the main scale reading of 3 mm and the number of circular scale divisions in line with the main scale as 35. The diameter of the wire is

want the answer of 5th number... I don't KNOW why everyone is USING the series formula to find the resistance if the circuit is in parallel FORM.. PLEASE answer

a bus is initialy at rest starts moving with an acceleration of 2ms-2 . the time in which it PICS up a VELOCITY of 32 ms-1The bus was initially at rest .The acceleration is 2ms-2 Its FINAL velocity is 32 m/sTime period required to attend this velocity .It's initial velocity U = 0 m/sits acceleration a = 2 m/s²its final velocity V = 32 m/sBy using first equation of motion ,➡️ 32 = 0 + 2t➡️ 32 = 2t➡️ t = 32/2➡️ t = 16 sTherefore the time required is 16 secondsHope it helps youPlease mark as brainliest

electronExplanation:PLEASE MARK THIS ANSWER as BRAINLIEST

60Explanation:20+40=60 is VECTOR DESIGN

Therefore, young's modulus of air is LESS than 1 but not zero. Note: Young's modulus or also called as modulus of elasticity, is a PROPERTY of material that estimates the tensile stiffness or its ABILITY to resist compression and elongation when a stress is APPLIED on it.

The strong nuclear force. At extremely short range, it is STRONGER than electrostatic repulsion, and allows protons to stick together in a NUCLEUS even THOUGH their CHARGES repel each other.

Answer is 1.67 (1)EXPLANATION:(2) 1.4(1) 1.67 (4) 1.27 (3) 1.33

Forest protection is a branch of forestry which is concerned with the preservation or IMPROVEMENT of a forest and prevention and control of damage to forest by natural or MAN made causes like forest fires, plant pests, and adverse climatic conditions (global warming).Forest protection also has a legal status and rather than protection from only people damaging the forests is seen to be broader and include forest pathology too. Due to the different emphases there exist widely different methods forest protection.In German-speaking countries, forest protection would focus on the biotic and abiotic factors that are non-crime related. A protected forest is not the same as a protection forest. These terms can lead to some confusion in English, although they are clearer in other languages. As a result, reading English literature can be problematic for non-experts due to localization and conflation of meanings.The types of man-induced abuse that forest protection SEEKS to prevent include:Aggressive or UNSUSTAINABLE intensive farming and loggingPollution of the forest soilExpanding city development caused by population explosion and the resulting urban sprawlThere is considerable debate over the effectiveness of forest protection methods. Enforcement of laws regarding purchased forest land is weak or non-existent in most parts of the world. In the increasingly dangerous South America, home of major rainforests, officials of the Brazilian National Agency for the Environment (IBAMA) have recently been SHOT during their routine duties.[1]

The ANSWER is AMPLITUDE. PLS MARK me as BRAINLIEST

It can be applied in many ways, including to generate electricity by using: photovoltaic solar cells; systems that concentrate solar power (eg mirrors, lenses); heating trapped air (which rotates TURBINES in a solar updraft tower); GENERATING HYDROGEN using photoelectrochemical cells; heating water or air for DOMESTIC ...

total DISTANCE covered by bike = 30 + 28 + 35 km= 93 kmtotal TIME taken = 3 hoursaverage speed = total distance covered / total time taken= 93 km / 3 hour= 31 km per hourit's AVERAGE speed is 31 km per hourExplanation:MARK me as brainliest

ation of earth (CONSIDERING as a UNIFORM shape and mass density) with respect to distance is a=G ∗ (M)/r²where r is body’s distance from center of earth.VALUE of gravitational CONSTANT G=6.67∗10–¹¹ Nm² Value of mass of earth M=5.972 ∗ 10²⁴kg. HOPE you got what you want.

Vectors can be MULTIPLIED in two ways, scalar or DOT product where the RESULT is a scalar and vector or ... VST Vector ALGEBRA Problem 1 and its Solution ...

i) वस्तु अपनी विरामावास्था या एक सीध में एकरूप गत्यावस्था में तब तक रहती है, जब तक बाह्य बल द्वारा उसकी विरामावस्था या गत्याव्स्था में कोई परिवर्तन न लाया जाए. II) आवेग (MOMENTUM) के परिवर्त्तन की दर संवेग (IMPRESSED FORCE) की अनुपाती होती है तथा वह उसी दिशा में होती है जिस दिशा में बल लगता है.

a diver leaps from a TOWER with an initial HORIZONTAL VELOCITY component of 7m/s and an upward velocity component of 5m/s.Find the component of it's velocity along x and y axis after 1.5 secExplanation:WAY it's rightMark as branlist

Thanks to the innovations of MAGNET applications, we are ABLE to EAT food and use PRODUCTS that are free of dangerous materials. Magnetic separation also protects your equipment from serious damage by keeping the line clear of hazardous metal SCRAPS.

(1) vector A+vector BEXPLANATION:Vector A is going WEST, the negtive x-direction, while vector B is HEADING South, the negative y-direction. Since the motion of both vectors do not interfere with each other, the resultant vector will be the SUM of both.

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Software updates are important because they often INCLUDE critical patches to security holes. In fact, many of the more harmful malware ATTACKS we see take advantage of software VULNERABILITIES in common applications, like operating SYSTEMS and BROWSERS.

Let a be the side of EQUILATERAL triangle.Initial the potential energy of the SYSTEM is U i = 4πϵ 0 1 r 12 q 1 q 2 = 4πϵ 0 1 aqq =UWhen another charge charge q bring at the third vertex of triangle, the potential energy of the system is U f = 4πϵ 0 1 r 12 q 1 q 2 + 4πϵ 0 1 r 13 q 1 q 3 + 4πϵ 0 1 r 23 q 2 q 3 = 4πϵ 0 1 aqq + 4πϵ 0 1 aqq + 4πϵ 0 1 aqq = 4πϵ 0 1 a3qq =3UThe WORK done = change in potential energy =U f −U i =3U−U=2U

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s our COMPUTER more secureTo more optimize your computer It CURES all security LOOP HOLES

swer IMAGE me HAI....2) ka nhi pta hai...

The main property of the convex lens is to produce a virtual, erect and enlarged image when the object is placed within the focal length. A convex lens is USED to construct a simple microscope. ... Now, to obtain HIGHER MAGNIFICATION, COMBINATIONS of two or more convex LENSES are used to form a compound microscope.

1. CHARGE 2. not a physical quantity EXPLANATION:mark me as a BRAIN list