Daily Practice · GCSE Science

Daily Practice - GCSE Science

24th April 1998

5 questions · GCSE · 584 questions in this band

1
Radioactivity, Half-Life and Nuclear Uses
Define the term 'half-life' of a radioactive isotope.
2
Forces
Calculate the weight of an object of mass 8.0 kg on Earth, where g = 9.8 N/kg.
3
Motion: Speed, Velocity and Acceleration
A skydiver reaches terminal velocity during free fall. Explain what is meant by 'terminal velocity'.
4
Forces, Newton's Laws and Momentum
A skateboarder of mass 55 kg moving at 4 m/s collides with and grabs onto a stationary shopping trolley of mass 20 kg, and they move off together. Calculate their combined velocity immediately after the collision.
5
Pressure, Moments and Levers
A force of 40 N is applied 0.25 m from a pivot. Calculate the moment.

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