A robotic lander on Europa lifts a 5.0 kg scientific instrument a vertical distance of 60 cm.
Calculate the gravitational potential energy gained by the instrument.
Gravitational field strength on Europa = 1.3 N/kg.
3.9 J3.9\text{ J}3.9 J
6.5 J6.5\text{ J}6.5 J
7.8 J7.8\text{ J}7.8 J
390 J390\text{ J}390 J
Practise OCR GCSE Physics Work done with exam-style questions for Foundation and Higher tier. 49 questions, matched to the OCR GCSE Physics (J249) specification and written in Paper 1 and Paper 2 (Foundation Tier) or Paper 3 and Paper 4 (Higher Tier) style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.