Calculate the kinetic energy of a 1200 kg object moving at 15 m/s.
From Paper 12 (Physics), Higher
62 marks
Calculate the kinetic energy of a 0.16 kg object moving at 30 m/s.
From Paper 12 (Physics), Higher
92 marks
Calculate the kinetic energy of a 75 kg object moving at 8 m/s.
From Paper 12 (Physics), Higher
122 marks
Calculate the gain in gravitational potential energy when a 60 kg object is lifted 12 m. (g = 9.8 N/kg)
From Paper 12 (Physics), Higher
152 marks
Calculate the gain in gravitational potential energy when a 2.5 kg object is lifted 4.2 m. (g = 9.8 N/kg)
From Paper 12 (Physics), Higher
182 marks
A motor transfers 450 J of useful energy for every 600 J supplied. Calculate its efficiency.
From Paper 12 (Physics), Higher
212 marks
A motor transfers 36 J of useful energy for every 120 J supplied. Calculate its efficiency.
Score 0 / 14 · 0 of 7 marked
This paper is written by Plasmo in the style of the OCR GCSE Combined Science exam. It is not a past paper and is not produced or endorsed by the exam board.