K.C.S.E Physics Q & A - MODEL 2007PP1QN18
(a) State what is meant by centripetal acceleration
(b) Figure 12 shows masses, A, B and C placed at different points on a rotating table. The angular velocity of the table can be varied.
(i) State two factors that determine whether a particular mass slides off the table or not
(ii) It is found that the masses slide off at angular velocities A, B, and C respectively. Arrange the values of A, B, C in decreasing order.
(c) A block of mass 200g is placed on a frictionless rotating table while fixed to the centre of the table by a thin thread. The distance from the centre of the table to the block is 15 cm. If the maximum tension the thread can withstand is 5.6N. Determine the maximum angular velocity the table can attain before the thread cuts.
FORM I - PHYSICS SYLLABUS
FORM II - PHYSICS SYLLABUS
FORM III - PHYSICS SYLLABUS
FORM IV - PHYSICS SYLLABUS
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