Physics (AS & A Level) · Oct / Nov 2016 · Paper 13 · Question 7
An astronaut on the Moon, where there is no air resistance, throws a ball. The ball’s initial velocity has a vertical component of 8.00 m s–1 and a horizontal component of 4.00 m s–1, as shown. The acceleration of free fall on the Moon is 1.62 m s–2. What will be the speed of the ball 9.00 s after being thrown?
- A6.6 m s–1
- B7.7 m s–1
- C10.6 m s–1
- D14.6 m s–1
As printed in the paper
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Correct answer: B. 7.7 m s–1
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