Daily Practice · GCSE Science

Daily Practice - GCSE Science

31st July 1998

5 questions · GCSE · 584 questions in this band

1
Atomic Structure
Which type of radiation is stopped by a sheet of paper?
2
Atomic Structure and the Development of the Model
Describe the plum pudding model.
3
Radioactivity, Half-Life and Nuclear Uses
A GM tube detects a count rate of 240 counts per minute from a source. After 15 days the count rate has fallen to 30 counts per minute. Show that this data is consistent with a half-life of 5 days.
4
Forces
Calculate the weight of an object of mass 8.0 kg on Earth, where g = 9.8 N/kg.
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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