Daily Practice

GCSE Science

8th April 1990

5 questions · GCSE · 584 questions in this band

1
Physics Required Practicals and Uncertainties
How is the uncertainty in a set of repeated readings usually estimated?
2
Energy
Calculate the kinetic energy of a 2.0 kg trolley moving at 4.0 m/s.
3
Energy Stores, Transfers and Calculations
What happens to the energy described as 'wasted' in a transfer?
4
Efficiency, Power and Energy Resources
Define power and give its unit.
5
Electricity
In a series circuit, the current through one lamp is 0.30 A. State the current through a second lamp in the same circuit.

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