A probe drops a small marker from rest at a height of 4.0 m above the surface of an asteroid. The asteroid has no atmosphere. The speed of the marker just before reaching the surface of the asteroid is 5.2 m/s.
What is the acceleration of free fall on the asteroid?
zero
1.7 m/s21.7\text{ m/s}^21.7 m/s2
3.4 m/s23.4\text{ m/s}^23.4 m/s2
6.8 m/s26.8\text{ m/s}^26.8 m/s2
204 exam-style questions on CIE IGCSE Physics Motion, covering Motion. Each one has a worked solution and a mark scheme showing where the marks go.