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A train acceleration from a velocity of 12 m/s to a velocity of 50 m/s. Find the average velocity during this time interval.
Date posted:
October 10, 2017
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The initial velocity of a minibus is 10 m/s. The velocity of minibus is 10 m/s. The velocity of the minibus after 9 seconds is 46 m/s. Find its acceleration.
Date posted:
October 10, 2017
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A car was driven for 2 hours at 100 km/h. It was driven for 1 ½ hrs at a different speed. Given that the average velocity for the whole journey was 90 km/h, what was the average speed for the latter part of the journey?
Date posted:
October 10, 2017
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Jane usually takes 3 hours to walk from home to her work place, a distance of 9 km on one Monday she spent 10 minutes in a shop on her way to work after walking for 30 minutes. At what average speed should she walk to reach on time.
Date posted:
October 10, 2017
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Dan traveled from two towns A and B which are 50 km apart. He used a bike at a speed of 20 km/h for 1 ½ hours and then walked for the remaining distance at speed of 2 km/h. Find average speed for the journey.
Date posted:
October 10, 2017
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A tricycle traveled for 3 hours at a speed of 60 km/h before it broke down. It took half an hour to repair it. It resume the journey for 2 ½ hours at a speed of 40 km/h.
What was its average speed?
Date posted:
October 10, 2017
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John cycle for 3.5 hours to chaka trading centre, 40 km away from his home. He took a matatu to a town 200 km moving at the speed of 60km/ h and back to chaka. He finally cycled home at an average speed 10km/ h. find the average speed for the whole journey.
Date posted:
October 10, 2017
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A woman walks for 50 minutes at 50 km/hr. she then took a matatu traveling at 70 km/hr for 3 hours. Finally she traveled using a motor cycle for one hour moving at 50 km/hr. Find her speed for the whole journey.
Date posted:
October 10, 2017
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Mary was running at 10 km/hr when she overtook Jane who was moving at 7 km/hr. At what speed did Mary appear to be running according to Jane?
Date posted:
October 9, 2017
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A vehicle traveling at 80 km/hr met a person running at 20 km/h. what was the relative speed of the person to the vehicle?
Date posted:
October 9, 2017
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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 the motor cyclist?
Date posted:
October 9, 2017
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Convert an acceleration of 12 km/hr^2 in m/s^2.
Date posted:
October 9, 2017
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7. Express an acceleration of 60 m/s in km/hr^2
Date posted:
October 9, 2017
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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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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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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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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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Solve the following:1+2+3+4(1+2+3+4)
Date posted:
October 8, 2017
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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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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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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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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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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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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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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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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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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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A triangular lawn measures 12m, 16m, and 8m. Find the area of the garden.
Date posted:
October 3, 2017
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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.
Date posted:
October 2, 2017
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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.
Date posted:
October 2, 2017