moelwin71's posts on decentralized web

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moelwin71

@moelwin71

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2018-05-11 09:20

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moelwin71

2018-07-15 13:04

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lseb 89--d

(iv) CH3-CH2-Cl + KOH ethanol ? (d) (i)What happens when ozonized oxygen is passed into ethane in chloroform and the product is decomposed by water? (ii) What happens when propene is passed into cold dilute

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moelwin71

2018-07-14 13:35

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dlei legyi

If a body starts from rest , its initial velocity is _____ . (5) The unit of speed and velocity are the _____ . (6) If the starting point and the end point are the same , the displacement is _____ . (7)

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moelwin71

2018-07-13 13:05

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loomey

Motion with changing velocity is called _____ motion. (20) The change in position along a certain direction is _____ . (21) The slope of the distance -time graph gives _____ . (22) The grater the slope

moelwin71

2018-07-10 11:34

khinmmie

= {x/x>-4} , T = {x/x<3}.Give a set –builder description of S∩T. Exercise 1.3 M = {x/x is an integer , and -3<x<6} , N = the set of positive integers that are less than 8. Find M∩N. (3 marks)

moelwin71

2018-06-24 13:28

monthly test geo

monthly test geo

the ratio of the areas of two circles is 49:25 , then the ratio of the diameters of these circles is A. 3:4 B. 4:5 C. 7:5 D. 6:5 E. 1:4 If x is 2/3 of y and y is 3/4 of z , then the ratio of z to x is

moelwin71

2018-06-23 10:53

msinsl h7

The maximum value of the resultant of two vectors acting at a point occurs when they are in ………. directions. If the sum of the vectors is zero, the two vectors have same magnitude and ……… directions.

moelwin71

2018-06-22 13:37

8 m7999s

:3 , then 3a+ 4b: 4a+3b is A. 27:36 B. 29:27 C. 27:29 D. 26:29 E. 17:19 If 2x +3y:2x+y=3:2, then x:y=………. A. 3:2 B. 2:3 C. 4:3 D. 3:4 E. None of them The cost of 40 pens is k. 360 and the cost of 30 pencils

moelwin71

2018-06-21 13:27

siesl d

) The density of ice is ……….. than that of water. (22) The symbol of density is ρ and it is a …….. quantity. (23) The SI unit for pressure is …….. . (24) The total momentum of an …….. system is constant.

moelwin71

2018-06-19 13:24

mioo noi7

Match each of the items in List A with the appropriate items in the list B. (7 marks) List A List B (a) Neutralization (i) it dissolves in noble metal gold (b) Alum (ii) CaO Cl2.2 H2O (c) Ammonium iron

moelwin71

2018-06-18 13:28

sleu7 msli

The change in position along a certain direction is _____ . (21) The slope of the distance -time graph gives _____ . (22) The grater the slope of a straight line distance-time graph , the _____ is the

moelwin71

2018-06-17 13:18

slowlwear formy

slowlwear formy

Determine the slope of each side of the quadrilateral whose vertices are A(5,6), B(13,6), C(11,2). Can you tell what kind of quadrilateral it is? A quadrilateral has as vertices the points M(a,b), N(c,d),

moelwin71

2018-06-16 13:35

yauk khinsl

The cost of 40 pens is k. 360 and the cost of 30 pencils is k. 90. The ratio of the cost of a pen to that of a pencil is A. 1:3 B. 1:4 C. 3:1 D. 4:1 E. 16:3 The ratio of the area of a circle of radius

moelwin71

2018-06-14 13:03

7k hnobm

True\False 1.A physical quantity which has direction as well as magnitude is known as vector, Displacement has both magnitude and direction. The sum of three vectors, having unequal magnitude, can be equal

moelwin71

2018-06-13 12:18

seevg nmm

Write down the equation in vector form. A vector of magnitude 5 units is inclined at an angle 37° to the x axis . Find the magnitudes of the vector components along x and y axis. ( 5- marks ) Which of

moelwin71

2018-06-12 13:26

money maker

1 only B. 2 only C. 3 only D. 1 and 3 only E. 2 and 3 only During a season, the goals scored by a school , football team in 20 matches were as follow; Goals scored in a match 0 1 2 3 4 5 Frequency 2 6

moelwin71

2018-06-11 13:25

moeni

F = { 3, 6,9, 12, 15 , …} (a) F = {x/ x is appositive integer that is divisible by 3} (b) F = {x/x is a multiple of 3} (c) F = {x/x is a natural number that is divisible by 3} A = {x/x2 + x – 6 } and B

moelwin71

2018-06-10 13:29

iedesa apu

The slope of the line joining the point (2,2p) and (4,1) is -3/2. Then p=………. A.2 B.-2 C.1/2 D.-1/2 E.2/3 If the points (1,1),(3,2) and (9,k) are on the same straight line , then k=…….. A.4 B.5 C.6 D.7

moelwin71

2018-06-09 13:22

joeedo

. 2 B. 3 C.5 D. 48 E. 12 OAB is a sector of a circle with centre O, radius 8 cm and a perimeter 22 cm. Then the area of sector, in square cm is A. 6 B. 28 C. 24 D. 48 E. 12 The area , in cm2 , of a circle

moelwin71

2018-06-08 13:18

lsminlai l

. 1only B. 2 only C. 3 only D. 1 and 2 only E. 1 and 3 only 〖10〗^(1+log_10⁡3 )=…….. A.3 B.30 C. 3/10 D.10/3 E.15 8.(4)^log_2⁡3 =…….. A.3 B.-6 C.9 D.12 E.15 arc of 6 inches. Then the length of the pendulum

moelwin71

2018-06-06 12:46

eerad thuer

. If the sum of the vectors is zero, the two vectors have same magnitude and ……… directions. 11.Quantities that have only ………. are called scalars. A ……… has both magnitude and direction. The change in