Daily Practice

GCSE Science

8th February 1989

5 questions · GCSE · 584 questions in this band

1
Radioactivity, Half-Life and Nuclear Uses
Radium-226 (atomic number 88) decays by alpha emission. State the atomic number of the nucleus formed.
2
Forces
A resultant force of 45 N acts on an object of mass 9.0 kg. Calculate its acceleration. Use F = m x a.
3
Motion: Speed, Velocity and Acceleration
On a velocity-time graph, what does the area between the line and the time axis represent?
4
Forces, Newton's Laws and Momentum
State two factors that increase a driver's thinking distance.
5
Pressure, Moments and Levers
State two factors, other than depth, that affect the pressure at a given point in a liquid.

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