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- A loudspeaker is a transducer. Explain.(Solved)
A loudspeaker is a transducer. Explain.
Date posted: September 12, 2019.
- A school bus was valued at sh 6,000,000 in January 2000. Each year, its value decreased by 12.5% of its value at the beginning of...(Solved)
A school bus was valued at sh 6,000,000 in January 2000. Each year, its value decreased by 12.5% of its value at the beginning of the year. Find the value of the bus in January 2005, giving your answer correct to 4.s.f
Date posted: September 12, 2019.
- The figure below shows a tape from a trolley accelerating at 5m/s and the timer is vibrating at 100HZ.(Solved)
The figure below shows a tape from a trolley accelerating at 5m/s and the timer is vibrating at 100HZ.
(i) Change in velocity from A to B.
(ii) The final velocity of the trolley.
Date posted: September 12, 2019.
- Find the image A` B` of AB where, A ( 2,2) and B ( 5,4), Under the combined transformation YX.(Solved)
The transformations X and Y have the matrices respectively.
Find the image A` B` of AB where, A ( 2,2) and B ( 5,4), Under the combined transformation YX.
Date posted: September 12, 2019.
- When 8.8g of hydrocarbon Z was burnt in excess air, 14.4g of water and 11.95 dm3 of carbon (IV) oxide were obtained at s.t.p. Determine...(Solved)
When 8.8g of hydrocarbon Z was burnt in excess air, 14.4g of water and 11.95 dm3 of carbon (IV) oxide were obtained at s.t.p. Determine the empirical formula of Z.
Date posted: September 12, 2019.
- Calculate the impulse of force produced when a table is pulled for 3 seconds by a constant force of 10N towards the right and then...(Solved)
Calculate the impulse of force produced when a table is pulled for 3 seconds by a constant force of 10N towards the right and then for 2 seconds by a constant force of 20N towards the left.
Date posted: September 12, 2019.
- Find the x – coordinates of the points on the curve y = 3x3 + 18x2 + 2x + 3(Solved)
Find the x – coordinates of the points on the curve y = 3x3 + 18x2 + 2x + 3 at which the gradient is 2.
Date posted: September 12, 2019.
- A stone is thrown vertically upwards from the base of a mountain with an initial velocity of 100m/s. The stone just stopped as the apex and...(Solved)
A stone is thrown vertically upwards from the base of a mountain with an initial velocity of 100m/s. The stone just stopped as the apex and came back. Another boy projected a stone horizontally from the top of the mountain. Calculate:
(a) Height of the mountain.
(b) Time taken for the stone to follow the trajectory.
(c) The range if the horizontal velocity is 20m/s.
Date posted: September 12, 2019.
- The principal of Butere High School, decided to have a charity walk to raise money to build a dormitory. (Solved)
The principal of Butere High School, decided to have a charity walk to raise money to build a dormitory. She will cover 10km on the first day. Thereafter, she will cover 2 km more than the previous day.
Find:
a) The distance she will travel on the 13th day
b) How many days she will require to cover a total of 400km.
Date posted: September 12, 2019.
- Without using tables or calculators evaluate.(Solved)
Without using tables or calculators evaluate.
Date posted: September 12, 2019.
- Mention eight points to look for when choosing a toy for a child.(Solved)
Mention eight points to look for when choosing a toy for a child.
Date posted: September 12, 2019.
- State the conditions under which copper reacts with sulphuric acid and give an equation for the reaction.(Solved)
State the conditions under which copper reacts with sulphuric acid and give an equation for the reaction.
Date posted: September 12, 2019.
- A pipe of radius 2mm is connected to another pipe of radius 6mm. If water flows in the narrow pipe at a speed of 3m/s,determine...(Solved)
A pipe of radius 2mm is connected to another pipe of radius 6mm. If water flows in the narrow pipe at a speed of 3m/s,determine the speed of water in the wider pipe.
Date posted: September 12, 2019.
- Explain six points on the importance of budgeting.(Solved)
Explain six points on the importance of budgeting.
Date posted: September 12, 2019.
- Explain three causes of malnutrition when sick.(Solved)
Explain three causes of malnutrition when sick.
Date posted: September 12, 2019.
- Rationalize the denominator and write the following in the form(Solved)
Rationalize the denominator and write the following in the form where a,b,c,d and e are constants.
Date posted: September 12, 2019.
- Explain four finishing processes carried out during laundry. (Solved)
Explain four finishing processes carried out during laundry.
Date posted: September 12, 2019.
- Use the thermochemical equations below to calculate the enthalpy of formation of ethane.
(Solved)
Use the thermochemical equations below to calculate the enthalpy of formation of ethane.
Date posted: September 12, 2019.
- List six qualities of a well-made collar.(Solved)
List six qualities of a well-made collar.
Date posted: September 12, 2019.
- A spring extends by 4cm when a load of 10N is suspended from it. Six similar springs are used in the system shown in figure.Determine...(Solved)
A spring extends by 4cm when a load of 10N is suspended from it. Six similar springs are used in the system shown in figure.Determine the total extension.
Date posted: September 12, 2019.
- Discuss four problems related to breast feeding.(Solved)
Discuss four problems related to breast feeding.
Date posted: September 12, 2019.
- Use logarithms correct to 4 decimal places, to evaluate(Solved)
Use logarithms correct to 4 decimal places, to evaluate
Date posted: September 12, 2019.
- Mention six reasons that has popularized the use of convenience foods.(Solved)
Mention six reasons that has popularized the use of convenience foods.
Date posted: September 12, 2019.
- On the axis on figure below, sketch displacement time graph for accelerating body.(Solved)
On the axis on figure below, sketch displacement time graph for accelerating body.
Date posted: September 12, 2019.
- You are planning to go for a picnic.
Outline the steps to follow when laundering the woolen sweater you will wear(Solved)
You are planning to go for a picnic.
Outline the steps to follow when laundering the woolen sweater you will wear
Date posted: September 12, 2019.
- Under what conditions can a feather and a stone released from the same height land on the ground at the same time?(Solved)
Under what conditions can a feather and a stone released from the same height land on the ground at the same time?
Date posted: September 12, 2019.
- You are planning to go for a picnic.
Giving reasons outline the procedure you would use to thoroughly clean a synthetic bag.
(Solved)
You are planning to go for a picnic.
Giving reasons outline the procedure you would use to thoroughly clean a synthetic bag.
Date posted: September 12, 2019.
- Manganese sulphide reacts with acids according to the following equation.(Solved)
Manganese sulphide reacts with acids according to the following equation.
State, giving a reason what would happen to the equilibrium if;
(i) Water is added to the equilibrium mixture.
(ii) Hydrogen chloride is bubbled into the equilibrium mixture.
Date posted: September 12, 2019.
- Give three reasons for cooling foods before storing in a refrigerator.(Solved)
Give three reasons for cooling foods before storing in a refrigerator.
Date posted: September 12, 2019.
- Mention three reasons for wrapping food before storing in the refrigerator.(Solved)
Mention three reasons for wrapping food before storing in the refrigerator.
Date posted: September 12, 2019.