Paper 2 H - SAMPLE SET 1 Q17 Answers
17) A car on a roller coaster is stationary at the top of a slope.
It has a weight of 6 500 N and a potential energy of 217 000 J.
(a) Calculate how high above the ground it is. [2]
It has a weight of 6 500 N and a potential energy of 217 000 J.
(a) Calculate how high above the ground it is. [2]
answer: ………………m
(b) The energy at the bottom of the slope is lower than expected.
Suggest two ways to improve the efficiency of the roller coaster car. [2]
(Total for Question 17 = 4 marks)
Suggest two ways to improve the efficiency of the roller coaster car. [2]
(Total for Question 17 = 4 marks)