Questions and answers by

Hesingne Zironang

Questions (63)

Two walkers set off at the same time from a crossroad and walk along flat straight roads inclined to each other at 70°.If they
1. 1 answer
2. 48 views
A piece of length 1 meter is cut into two parts and each piece is bent to form a square.the Total area of the two squares forms
1. 1 answer
2. 56 views
A piece of length 1 meter is cut into two parts and each piece is bent to form a square.the Total area of the two squares forms
1. 1 answer
2. 67 views
Two ships ,p and X sail from A at the same time,ship P sails 21 nautical miles due East in 30 minutes and ship X sails 30
1. 3 answers
2. 50 views
A and B are two balloons at the same height and 1000m apart.O is ground observation position, angle AOx=45°15' and angle
1. 1 answer
2. 46 views
The angle of elevation to the top of a television towe is 45°from each of the two points on the ground level with its base.the
1. 1 answer
2. 46 views
Two walkers set off at the same time from a crossroad and walk along flat straight roads incline to each other at 70°.If they
1. 1 answer
2. 45 views
Given that A is acute and 2sin^2A-1÷3=cos^2A, find angle A
1. 1 answer
2. 46 views
Carrying capacity of the popula
1. 1 answer
2. 39 views
Saddlebacks are territorial birds . discuss how territories can act to regulate population size
1. 1 answer
2. 42 views
Emigrationon
1. 1 answer
2. 41 views
Explain any two adaptations that the snails may have to living in this environment
1. 1 answer
2. 37 views
Name an important abiotic factor that the snails must be tolerant to
1. 1 answer
2. 33 views
Describe any factors that may act to limit the population of snail
1. 1 answer
2. 30 views
Identify three characteristics that could be used in describing mud snai population
1. 1 answer
2. 33 views
Wenn diagram
1. 1 answer
2. 36 views
Calculating electromagnetic induction
1. 1 answer
2. 40 views
Distance time graph
1. 1 answer
2. 34 views
How to calculate velocity time graph
1. 1 answer
2. 55 views
A sector of a circle has an area of 32πcm^2 and contains a central angle of 210°.calculate the radius of the circle
1. 1 answer
2. 48 views
A sector of a circle has an area of 32πcm^2 and contains a central angle of 210 degrees.calculate the radius of the circle and
1. 1 answer
2. 57 views
What is the area of the Minor segment cut off a circle of radius 10 cm by a chord of length 14 cm ?
1. 1 answer
2. 43 views
What is the minor segment out of the circle of radius 10 cm by the chord of length 14 cm?
1. 1 answer
2. 38 views
What is the exact area of the major segment of a circle of diameter 14 cm in which the Minor segment subtends a central angle of
1. 1 answer
2. 55 views
What is the area of the Minor segment cut off a circle of radius 10 cm by a chord of length 14 cm?
1. 1 answer
2. 44 views
What is the area of minor segment cut off a circle of radius 10 cm by a cord of 14 cm
1. 1 answer
2. 44 views
What is the area of the Minor segment cut off a circle of radius 10cm by a cord of length 14 cm ?
1. 1 answer
2. 45 views
Suppose a wire of length 10m and Mass 50g is suspended in air in a region with magnetic field of 0.5 T at right angle to the
1. 1 answer
2. 52 views
Suppose a wire of length 10m and mass 10 grams is suspended in air in a region with magnetic field of 0.5T at right angle to the
1. 1 answer
2. 53 views
What is deflect
1. 1 answer
2. 35 views
What is the effect called when a current is induced in the coil when the magnet is moved in and out of it
1. 1 answer
2. 38 views
What is the exact area of a circle of diameter 14 cm in which the Minor segment subtends a central angle of 5π÷6 radians
1. 1 answer
2. 38 views
What is the exact area of the major segment of a circle of radius 7cm in which the Minor segment subtends a central angle of
1. 1 answer
2. 44 views
When the function f(x)=2x^n+ax^2-6 is divided by (x-1), the reminder is -7 and when divided by (x+3), the reminder is
1. 1 answer
2. 62 views
What is the exact area of the major segment of a circle of diameter 14 cm in which the Minor segment subtends a central angle of
1. 1 answer
2. 57 views
What is the exact area of major segment of a circle of diameter 14 cm in which the Minor segment subtends an angle of 5π÷6
1. 1 answer
2. 48 views
What is the exact area of the major segment of a circle of diameter 14 cm in which the Minor segment subtends an angle of 5π÷6
1. 3 answers
2. 61 views
What is the exact area of the major segment of a circle of diameter 14 cm in which the Minor segment subtends a central angle of
1. 1 answer
2. 62 views
The field contains a length of 200m and width of 150 m.calculate the area of a field
1. 1 answer
2. 46 views
The field contains a length of 200 m and width of 150 m which has a wheel of radius 100cm.How many revolutions Will a wheel of
1. 1 answer
2. 103 views
A field contains a of length 200 m and width of 150 cm Wich has a wheel of radius 100 m.how many revolutions Will a wheel of
1. 1 answer
2. 36 views
Find the area of the sector of a circle of radius 10cm if the length of the arc bounding the sector is 30cm?
1. 1 answer
2. 54 views
A sector of a circle has an area of 32πcm^2 and contains a central angle of 210 degrees.calculate the length of the cord that
1. 1 answer
2. 57 views
A sector of a circle has an area of 32πcm^2and contains a central angle of 210 degrees.calculate the radius of a circle
1. 1 answer
2. 49 views
The circumference of a circle is 198cm.calculate the length of the arc which subtends an angle of 2π÷3 radians at the center
1. 1 answer
2. 54 views
What is the area of the Minor segment cut off a circle of radius 10cm by a chord of length 14cm
1. 1 answer
2. 52 views
Give a balance chemical equation for the formation of ammonium nitrate from nitric acid and ammonia with state included
1. 1 answer
2. 49 views
Provide the chemical formula for aluminum phosphate
1. 1 answer
2. 34 views
Soft drinks are often sold in aluminum cans instead of steel cans.state two reasons why aluminum is preferred to steel for soft
1. 1 answer
2. 43 views
In the reaction between boron and fluorine, boron act as a metal or non metal, explain
1. 1 answer
2. 43 views
Write the chemical equation for the reaction between boron and fluorine
1. 1 answer
2. 37 views
Nitrogen gas is a chemically unreactive, but in a thunder Storm, lightning cause a small amount of nitrogen and oxygen to
1. 1 answer
2. 55 views
Name the metalloid in period 3 of the periodic table that is used in the manufacture of semi conductor
1. 1 answer
2. 48 views
The chemical reaction between Rock phosphate and sulphuric acid produces calcium dihydrogen phosphate and calcium sulphate.what
1. 1 answer
2. 64 views
Rock phosphate is not used as fertilizer due to its low solubility in water.the from of phosphate that is more soluble in water
1. 1 answer
2. 58 views
More sulphuric acid is produced by contact process every year then any other chemical.in the contact process,three raw meterials
1. 1 answer
2. 63 views
Metals are easily disolved by acid.However only one metal is disolved by aqua regia,a mixture of hydrochloric acid (3 parts)and
1. 1 answer
2. 42 views
Chlorine gas is added to drinking water supplies to kill bacteria.when chlorine react with water it produce a mixture of
1. 1 answer
2. 48 views
Chlorine gas is added to drinking water supplies to kill bacteria.what is the balance chemical reaction with state symbols for
1. 1 answer
2. 33 views
Explain why halogen are very reactive
1. 1 answer
2. 45 views
If the temperature is increased, what happens to the amount of products and reactants in the reaction of N2 +3H2=2NH3
1. 1 answer
2. 42 views
Name the industrial process that produces sulphuric acid from sulphur
1. 1 answer
2. 43 views
What are the green house gasses
1. 1 answer
2. 38 views

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