An electrically powered delivery scooter uses a rechargeable battery to run its electric motor.
When fully charged, the battery can deliver a power of 500 W500\text{ W}500 W for 90 min90\text{ min}90 min.
Calculate the energy, in joules, stored in the battery when fully charged.
State the form of energy stored by the battery.
The delivery scooter has an electric motor with an average input power of 300 W300\text{ W}300 W. Calculate the time, in seconds, for which the fully charged battery can power this scooter.
Consider this electric scooter compared to a conventional petrol-powered scooter. State two environmental benefits of using the electrically powered scooter.
533 exam-style questions on CIE IGCSE Physics 1.7 Energy, work and power, covering 1.7.1a Energy stores and energy transfers, 1.7.1b Conservation of energy, 1.7.1c Kinetic and gravitational potential energy, 1.7.2 Work done, 1.7.3 Energy resources, 1.7.3a Energy resources and electricity generation, 1.7.3b Nuclear fusion as an energy source, 1.7.3c Efficiency of energy transfer, and 1.7.4 Power. Each one has a worked solution and a mark scheme showing where the marks go.