PractiseQuestion bank
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12 questions
SA-9702-CM1-0011 markL1 FoundationCalculatorAngular speed
A wheel turns at 120 revolutions per minute. Calculate its angular speed. Salam Academy Original Practice · Proposed mark scheme
SA-9702-CM1-0021 markL1 FoundationCalculatorv = rω
A point is 0.30 m from the axle of the wheel above (ω=12.6 rad s⁻¹). Calculate its speed. Salam Academy Original Practice · Proposed mark scheme
SA-9702-CM1-0031 markL1 FoundationCalculatorAngular speed
Convert 90° to radians. Salam Academy Original Practice · Proposed mark scheme
SA-9702-CM1-0041 markL1 FoundationCalculatorAngular speed
One radian is the angle subtended at the centre of a circle by an arc of length equal to
Salam Academy Original Practice · Proposed mark scheme
SA-9702-CM1-0061 markL1 FoundationCalculatorv = rω
Two points on a rotating disc are at radii r and 2r. Compared with the inner point, the outer point has Salam Academy Original Practice · Proposed mark scheme
SA-9702-CM1-0071 markL1 FoundationCalculatorv = rω
An object moves in a circle with period 0.50 s. Calculate its angular speed. Salam Academy Original Practice · Proposed mark scheme
SA-9702-CM1-0091 markL1 FoundationCalculatorv = rω
An object in uniform circular motion has
Salam Academy Original Practice · Proposed mark scheme
SA-9702-CM1-0121 markL1 FoundationCalculatorAngular speed
A complete revolution is
Salam Academy Original Practice · Proposed mark scheme
SA-9702-CM1-0052 marksL2 StandardCalculatorv = rω
The Moon orbits Earth with period 27.3 days. Calculate its angular speed, in units of 10−6 rad s⁻¹. Salam Academy Original Practice · Proposed mark scheme
SA-9702-CM1-0081 markL2 StandardCalculatorAngular speed
An arc of length 5.0 cm is on a circle of radius 2.0 cm. Calculate the angle it subtends, in radians. Salam Academy Original Practice · Proposed mark scheme
SA-9702-CM1-0102 marksL2 StandardCalculatorv = rω
A car tyre of radius 0.32 m rolls without slipping at 20 m s⁻¹. Calculate its angular speed. Salam Academy Original Practice · Proposed mark scheme
SA-9702-CM1-0113 marksL3 ExamCalculatorv = rω
Earth has radius 6.4×106 m and rotates once in 24 hours. Calculate the speed of a point on the equator due to this rotation. Salam Academy Original Practice · Proposed mark scheme