Daily Practice

GCSE Science

28th September 1992

5 questions · GCSE · 584 questions in this band

1
Atomic Structure
State the approximate radius of an atom.
2
Atomic Structure and the Development of the Model
What did Bohr add to the nuclear model?
3
Radioactivity, Half-Life and Nuclear Uses
State the number of protons and the number of neutrons in an alpha particle.
4
Forces
A box has a driving force of 250 N forward and friction of 180 N backward. Calculate the resultant force, including its direction.
5
Motion: Speed, Velocity and Acceleration
A car's velocity increases from 8 m/s to 20 m/s over 4 seconds. Calculate its acceleration.

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