The newest 16 of 16 written questions. Open one to see it on the real paper.
Reading P is 54 cm 3 . Reading R is 49 g. Calculate the density of the liquid. Give your answer to 2 significant figures and state the unit. density = unit
See it on the paper →The resultant force causes the block to accelerate. Calculate the acceleration of the block. acceleration = m / s 2 (ii) The rubber block is elastic. The mass of the block is 0.9 kg. Describe two other possible effects on the rubber block of the forces shown in Fig. 6.1.
See it on the paper →State which swimmer swims the fastest. swimmer number
See it on the paper →The glass block in Fig. 4.1 has a mass of 4.8 g. glass block 1 mm 25 mm 75 mm Fig. 4.1 (not to scale) Calculate the density of the glass block in g / mm 3 . density = g / mm 3
See it on the paper →Calculate the mass of the concrete block. Show your working. Give your answer in kg. mass of concrete block = kg
See it on the paper →Calculate the density of the block. Show your working and state the unit. density = unit =
See it on the paper →Calculate the density of the spanner. Use the equation: density = mass volume density =
See it on the paper →The student calculates a value for the density of the spanner. A teacher tells the student that the value calculated is 8% more than the true value but the calculated value can be considered accurate. Explain why.
See it on the paper →Suggest one change to the procedure to improve the accuracy of the density calculated in (b)(ii).
See it on the paper →The 1.7 kg mass has a density of 6800 kg / m 3 . Calculate the volume of the 1.7 kg mass. volume = m 3
See it on the paper →State how the principle of moments applies to this crane.
See it on the paper →Calculate the moment of the counterweight when it is 5.0 m from the centre of the tower. moment = Nm
See it on the paper →The crane is used to lift a load of 125 000 N at a distance of 20.0 m from the tower. The counterweight is moved further away from the tower. Calculate the distance between the counterweight and the tower that balances the load. distance = m
See it on the paper →Use the data in the graph in Fig. 6.1 to describe the change in speed of the car between 0 s and 5.0 s.
See it on the paper →Use Fig. 6.1 to complete these sentences: Non-constant deceleration occurs between s and s. The change in speed during this time is m / s. After the car is stationary, it takes s to return to its maximum speed.
See it on the paper →The density of the plastic is 0.9 g / cm 3 . The volume of the plastic block is 18 cm 3 . Calculate the mass of the plastic block. mass = g
See it on the paper →Many candidates were uncertain how to calculate the volume of the block but were able to substitute their value into the equation for density and gain some of the marks. There were also errors in determining the unit even among candidates that performed the calculation correctly.
— Examiner report, May/June 2023, 5129/22 Q4(a) (Cambridge)
This was a well answered question with many candidates correctly calculating the density.
— Examiner report, May/June 2023, 5129/32 Q3(b)(ii) (Cambridge)
This question was demanding for many candidates. Centres are reminded that the syllabus contains a section on the language of measurement which candidates should be familiar with.
— Examiner report, May/June 2023, 5129/32 Q3(c)(i) (Cambridge)
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