Daily Practice

GCSE Science

17th May 1989

5 questions · GCSE · 584 questions in this band

1
Atomic Structure
What happens inside the nucleus when a beta particle is emitted?
2
Atomic Structure and the Development of the Model
What observation showed the nucleus is positively charged and very small?
3
Radioactivity, Half-Life and Nuclear Uses
State one source of natural background radiation and one source of artificial (man-made) background radiation.
4
Forces
A resultant force of 45 N acts on an object of mass 9.0 kg. Calculate its acceleration. Use F = m x a.
5
Motion: Speed, Velocity and Acceleration
A runner completes a 400 m race in 52 s. Calculate her average speed, giving your answer to 3 significant figures.

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