K.C.S.E Physics Q & A - MODEL 2006PP1QN06
​ A car starting from rest accelerates uniformly for 5 minutes to reach 30m/s. It continues at this speed for the next 20 minutes and then decelerates uniformly to come to stop in 10 minutes.
On the axes provided, sketch the graph of velocity against time for the motion of the car.
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K.C.S.E Physics Q & A - MODEL 2006PP1QN05
​The spiral springs shown in figure 4 are identical. Each spring has a spring constant k= 300N/m
​Determine the total extensions caused by the 90N weight. ( ignore the weight of the spring and connecting roots)
K.C.S.E Physics Q & A - MODEL 2006PP1QN04
​Figure 3 shows a bimetallic strip with a wooden handle, suspended horizontally using a thin thread.
​The strip is heated at the point shown. Explain why the system tips to the right
answer
K.C.S.E Physics Q & A - MODEL 2006PP1QN03
State Pascal‟s principle of transmission of pressure in fluids
answer
K.C.S.E Physics Q & A - MODEL 2006PP1QN02
Figure 2 (a) shows body being acted on by two forces, F1 and F2
​On figure 2 (b) draw the force F3 that has same effect on the body as the two forces
K.C.S.E Physics Q & A - MODEL 2006PP1QN01
​ Figure 1 shows the change in volume of water in a measuring cylinder when an irregular solid is immersed in it
Given that the mass of the solid is 567 g, determine the density of the solid in gcm-3 ( Give your answer correct to 2 decimal places)K.C.S.E Physics Q & A - MODEL 2005PP2QN07
​(a) What is meant by radioactivity
(b) With an aid of a labeled diagram explain the working of Geiger Muller tube as a detector of radiation (c) In an experiment to determine the half of a certain radioactivity substance, the activity in disintegrations per minute was measured for sometime. Table 1 shows the results obtaine
​On the grid plot a suitable graph and sue it to determine the half life t ½ of the substance
(d) At time t = 40 minutes, the activity of a sample of a certain radioactive isotope with a half life 12 minutes if found to be 480 disintegration per minute. Determine the time which activity was 3840 disintegrations per minute K.C.S.E Physics Q & A - MODEL 2005PP2QN06
​(a) Define the term angular velocity
(b) A body moving with uniform angular velocity is found to have covered an angular distance of 170 radians in t seconds. Thirteen seconds later it is found to have covered a total angular distance of 300 radians. Determine t. (c) Fig 8 shows a body of mass m attached to the centre of a rotating table with a string whose tension can be measured. (The device for measuring the tension is not shown in the figure)
​The tension, T on the string was measured for various values of angular velocity, w. The distance r of the body from the centre was maintained at 30cm. Table 1 shows the results obtained.
(i) Plot the graph of T (y- axis against w2)
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