Exam papers, notes, holiday assignments and topical questions – all aligned to the Kenyan curriculum.
Give reasons why a safety seat belt used in a vehicle;should have a wide surface area and should be slightly extensible.
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A girl throws tennis ball vertically upwards from a truck moving at a constant velocity. Give the reason why the ball lands back exactly the same point where it was projected.
Date posted: January 16, 2017 . Answers (1)
When a steel ball bearing is dropped into a tall jar full of glycerine, it falls to reach a point when it attains a steady velocity. State the force that varies to make this possible.
Milk in a bottle cools faster when the bottle is wrapped with a wet towel than when it is immersed in a bucket of cold water. Explain
State samples of bromine vapour are allowed to diffuse separately under different conditions; one in vacuum and the other in air. State and explain the observation made.
It is easier to stop a saloon car than a bus moving at the same velocity. What is the reason?
Date posted: January 14, 2017 . Answers (1)