plumiRadians and angular velocity: Edexcel International A Level Physics questions
Edexcel International A Level Physics past-paper questions on 4.3.2.1 Radians and angular velocity, 2019–2025, with mark schemes and examiner’s reports where available.
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Q15(a)(i)
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All 22 questions on Radians and angular velocity, as a list
- June 2025, Unit 4, Q15(a)(i) (3 marks): The time taken for the turntable to be rotated through 160° is 2.2 s. –1. Show that the average angular velocity of the glass is about 1.3 rad s (3)
- June 2025, Unit 4, Q15(a)(ii) (2 marks): The glass can be placed at different positions on the turntable. Explain why the angular velocity of the glass is the same but its velocity varies, depending on
- June 2025, Unit 4, Q15(b)(i) (4 marks): The maximum frictional force between the glass of water and the turntable is equal to mg , where m is the mass of the glass of water. 30 Someone says that if th
- June 2025, Unit 5, Q17(b) (2 marks): The globe rotates with an angular velocity of 2.76 × 10 Calculate the time taken for the globe to make one complete rotation. (2) Time taken for one rotation =
- January 2025, Unit 4, Q1 (1 mark): Two sources produce waves with a phase difference of 40°. Which of the following gives the angle of 40° in radians? A 40 2π 360 360 B 40 2π C 40 π 360 360 D 40
- January 2025, Unit 4, Q15(a)(i) (2 marks): Show that the angular velocity of the drum is about 150 rad s –1. (2)
- January 2025, Unit 4, Q15(b)(iii) (1 mark): Water leaves the drum through the holes as the drum rotates. Describe the path of the water as it leaves the holes. (1)
- October 2024, Unit 4, Q17(b)(iii) (3 marks): Calculate the time taken for the toy aeroplane to complete one revolution. θ = 22° r = 21 cm (3) Time =
- June 2024, Unit 4, Q13(b)(i) (2 marks): Calculate the angular velocity of the disk. (2) Angular velocity =
- January 2024, Unit 4, Q19(b) (5 marks): Radio waves are also produced during an aurora. Electrons moving in a circular path in the atmosphere emit radio waves. The frequency of the emitted radio waves
- October 2023, Unit 4, Q8 (1 mark): A toy aeroplane is travelling in a circular path. The toy aeroplane completes 12 revolutions in 6 s. Which of the following gives the angular velocity, in rad s
- October 2023, Unit 4, Q11 (3 marks): The photograph shows children on a roundabout in a playground. bar platform (Source: © Juice Flair/Shutterstock) The roundabout is a flat platform with bars. Th
- June 2023, Unit 4, Q15(a)(i) (3 marks): Show that the angular velocity of the car’s motion about the centre of the ball is –1. about 40 radian s (3)
- January 2023, Unit 4, Q2 (1 mark): A laboratory centrifuge rotates at 1500 revolutions per minute. Which of the following expressions gives the angular velocity in radians per second? 1500 A × 60
- January 2023, Unit 4, Q13(a)(ii) (2 marks): Determine the time taken by the plane to move through 90° of the circular path. speed of aeroplane = 54 m s −1 (2) Time =
- October 2022, Unit 4, Q16(a) (3 marks): The player swings her stick so that the heel moves horizontally in a circle of radius 0.80 m across the ground, as shown below. heel Plan view 1.3 rad Not to sc
- January 2022, Unit 4, Q10 (1 mark): A website states: “The radius of the orbit of the Moon around the Earth is increasing by a small amount each year, however the time period of the orbit remains
- October 2021, Unit 4, Q12(b)(ii) (3 marks): A clock requires the period of the bob to be 5.0 s. l = 6.4 m θ = 13.9° Deduce whether this arrangement leads to the required period. (3)
- June 2021, Unit 4, Q11(a) (3 marks): The wire made 10 complete revolutions around the magnet in a time of 8.3 s. Calculate the angular velocity of the wire. (3) Angular velocity =
- June 2021, Unit 6, Q1(b) (4 marks): When the wheel is tested, the speed of the magnet is 22.2 m s–1. The oscilloscope can be adjusted to give the following values for the horizontal scale. millise
- October 2020, Unit 4, Q9 (1 mark): A turntable for playing vinyl records rotates at 33 revolutions per minute. What is the angular velocity in radian s−1? A 33 × 60 × 2π 33 B (60 × 2 ) π 33 ×
- October 2020, Unit 4, Q16(b)(ii) (4 marks): Show that, at this speed, the time for an aeroplane to make 4 complete rotations is about 3 s. mass of aeroplane = 5.2 g (4)
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