Daily Practice

GCSE Science

31st October 1992

5 questions · GCSE · 584 questions in this band

1
Atomic Structure and the Development of the Model
What observation showed the nucleus is positively charged and very small?
2
Radioactivity, Half-Life and Nuclear Uses
State one source of natural background radiation and one source of artificial (man-made) background radiation.
3
Forces
A cyclist rides 300 m north then 300 m back south to the start. State the total distance travelled and total displacement.
4
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.
5
Forces, Newton's Laws and Momentum
A resultant force of 60 N acts on a wheelbarrow of mass 15 kg. Calculate its acceleration.

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