Daily Practice
GCSE Science
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25th March 1990
- 1Radioactivity, Half-Life and Nuclear Uses
State the number of protons and the number of neutrons in an alpha particle.
- 2Forces
Calculate the weight of an object of mass 8.0 kg on Earth, where g = 9.8 N/kg.
- 3Motion: Speed, Velocity and Acceleration
A car's velocity increases from 8 m/s to 20 m/s over 4 seconds. Calculate its acceleration.
- 4Forces, Newton's Laws and Momentum
State Newton's First Law of Motion.
- 5Pressure, Moments and Levers
Write down the equation that links moment, force and distance.
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