The relative speed is (80 + 20) km/hr = 100km/hr
joseph rimiru answered the question on October 9, 2017 at 19:24
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A motor cyclist riding at 50 km/hr is overtaken by a matatu travelling at 120 km/hr. what is the relative speed of the bus to...
(Solved)
A motor cyclist riding at 50 km/hr is overtaken by a matatu travelling at 120 km/hr. what is the relative speed of the bus to the motor cyclist?
Date posted:
October 9, 2017
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Answers (1)
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Convert an acceleration of 12 km/hr^2 in m/s^2.
(Solved)
Convert an acceleration of 12 km/hr^2 in m/s^2.
Date posted:
October 9, 2017
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Answers (1)
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Express an acceleration of 60 m/s in km/hr^2
(Solved)
7. Express an acceleration of 60 m/s in km/hr^2
Date posted:
October 9, 2017
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Answers (1)
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A matatu takes 10 seconds to cross a bridge 50 metres long. Calculate its speed in km/hr.
(Solved)
A matatu takes 10 seconds to cross a bridge 50 metres long. Calculate its speed in km/hr.
Date posted:
October 9, 2017
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Answers (1)
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A ladder 4.9 m is placed against a wall. If its foot is 2.4 m from the wall, how high up the wall does it...
(Solved)
A ladder 4.9 m is placed against a wall. If its foot is 2.4 m from the wall, how high up the wall does it reach?
Date posted:
October 9, 2017
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Answers (1)
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A triangle has the following dimensions 7cm, 5cm, and 11 cm. Find out whether it is right angled.
(Solved)
A triangle has the following dimensions 7cm, 5cm, and 11 cm. Find out whether it is right angled.
Date posted:
October 9, 2017
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Answers (1)
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Kombo is 5 years older than his brother kande. Their age add up to 33. How old is each of them?
(Solved)
Kombo is 5 years older than his brother kande. Their age add up to 33. How old is each of them?
Date posted:
October 8, 2017
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Answers (1)
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Solve the following:1+2+3+4(1+2+3+4)
(Solved)
Solve the following:1+2+3+4(1+2+3+4)
Date posted:
October 8, 2017
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Answers (1)
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Find the median of the following number 7,5, 3, 2, 1, 6, 7,7,8
(Solved)
Find the median of the following number 7,5, 3, 2, 1, 6, 7,7,8
Date posted:
October 7, 2017
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Answers (1)
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The mean mark scored by five students in a chemistry test was 20. 16,18,19 and 15 were marks scored by 4 students . find the...
(Solved)
The mean mark scored by five students in a chemistry test was 20. 16,18,19 and 15 were marks scored by 4 students . find the mark for the 5th student.
Date posted:
October 7, 2017
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Answers (1)
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A motorcycle reduced the velocity of a vehicle from 150 km/h to 75 km/h at a rate of 5 m/s^2. How long did this...
(Solved)
A motorcycle reduced the velocity of a vehicle from 150 km/h to 75 km/h at a rate of 5 m/s^2. How long did this take?
Date posted:
October 7, 2017
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Answers (1)
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A body moves at a velocity of 120 km/h. how much time will it need to cover 60 m?
(Solved)
A body moves at a velocity of 120 km/h. how much time will it need to cover 60 m?
Date posted:
October 7, 2017
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Answers (1)
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A handball travels 15 m towards the goal area in 1.5 s. what is its average velocity in km/h?
(Solved)
A handball travels 15 m towards the goal area in 1.5 s. what is its average velocity in km/h?
Date posted:
October 7, 2017
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Answers (1)
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A supersonic jumbo jet travels at 700 m/s. what is its average velocity in km/h?
(Solved)
A supersonic jumbo jet travels at 700 m/s. what is its average velocity in km/h?
Date posted:
October 7, 2017
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Answers (1)
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The velocity of a toy car increased uniformly from 30 m/s to 60 m/s in two minutes. Find the acceleration acquired by the toy car?
(Solved)
The velocity of a toy car increased uniformly from 30 m/s to 60 m/s in two minutes. Find the acceleration acquired by the toy car?
Date posted:
October 5, 2017
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Answers (1)
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A straight road in a certain area rises steadily at angle of 10° to the horizontal ground. A lorry travels up the road. Calculate its...
(Solved)
A straight road in a certain area rises steadily at angle of 10⁰ to the horizontal ground. A lorry travels up the road. Calculate its vertical and horizontal displacement.
Date posted:
October 3, 2017
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Answers (1)
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A bouncing castle consists of a conical top and a cylindrical base. The diameter of the base is 5 m and the height of the...
(Solved)
A bouncing castle consists of a conical top and a cylindrical base. The diameter of the base is 5 m and the height of the cylindrical part is 4 m. If the total height is of the two parts is 9 m, calculate :
a. Its total surface area.
b. Its total volume.
Date posted:
October 3, 2017
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Answers (1)
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A triangular lawn measures 12m, 16m, and 8m. Find the area of the garden.
(Solved)
A triangular lawn measures 12m, 16m, and 8m. Find the area of the garden.
Date posted:
October 3, 2017
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Answers (1)
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Calculate the height of a cone if its base radius is 7.7 cm and has a volume of 514.6 cm^3.
(Solved)
Calculate the height of a cone if its base radius is 7.7 cm and has a volume of 514.6 cm^3.
Date posted:
October 2, 2017
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Answers (1)
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A metal tube whose bore is 100 mm and thickness 21 is 7 m long. Find the volume of the metal it is made from.
(Solved)
A metal tube whose bore is 100 mm and thickness 21 is 7 m long. Find the volume of the metal it is made from.
Date posted:
October 2, 2017
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Answers (1)