Daily Practice

GCSE Science

14th August 1980

5 questions · GCSE · 584 questions in this band

1
Atomic Structure
What is an alpha particle made of?
2
Atomic Structure and the Development of the Model
Who provided the evidence for the existence of the neutron, and roughly when relative to the nuclear model?
3
Radioactivity, Half-Life and Nuclear Uses
Radium-226 (atomic number 88) decays by alpha emission. State the atomic number of the nucleus formed.
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 ball decelerates uniformly from 18 m/s to 0 m/s over a distance of 2.7 m while being caught. Using (final velocity)^2 = (initial velocity)^2 + 2 x acceleration x distance, calculate its deceleration.

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