Calculating the energy of moving objects (E=1/2mv2)
Quiz by Oak National Academy: GCSE Physics OCR Higher
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6 questions
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- Q1How much energy will be transferred to the kinetic store if three times the amount of work is done on kicking a football?Nine times as much energy.Three times as much energy.The same amount of energy.30s
- Q2If friction and air resistance are ignored, how much energy is dissipated by a toy car moving across a table?A tiny amount of the car's energy.All of the car's energy.Most of the car's energy.None of the car's energy.30s
- Q3What happens to the amount of energy in the kinetic store of a ball if it is moving at two times the speed?The amount of energy in the kinetic store does not change.The amount of energy in the kinetic store is two times bigger.The amount of energy in the kinetic store is four times bigger.30s
- Q4What is kinetic energy?The total amount of energy that a moving object has.The type of energy that is in the kinetic store.The type of energy an object has because it is moving.The amount of energy an object has that is in its kinetic store.30s
- Q5What is the kinetic energy of a discus of mass 2 kg moving at a speed of 8 m/s?Users enter free textType an Answer30s
- Q6What is the mass of a javelin that has a kinetic energy of 72 J and a speed of 12 m/s?Users enter free textType an Answer30s