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Q17: Answers – Paper 2 – June 2018
Q17: Answers – Paper 2 – June 2018
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A ball is thrown vertically upwards.
The graph shows the height of the ball above the ground after it is thrown.
a) For how many seconds is the ball at a height of more than 2 metres?
A ball is thrown vertically upwards.
The graph shows the height of the ball above the ground after it is thrown.
a) For how many seconds is the ball at a height of more than 2 metres?
b) After how many seconds is the ball at instantaneous rest when it is in the air?
c) Work out the average speed of the ball when it is moving downwards
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17)
A ball is thrown vertically upwards.
The graph shows the height of the ball above the ground after it is thrown.
17)
A ball is thrown vertically upwards.
The graph shows the height of the ball above the ground after it is thrown.
a) For how many seconds is the ball at a height of more than 2 metres?
[1 mark]
b) After how many seconds is the ball at instantaneous rest when it is in the air?
[1 mark]
c) Work out the average speed of the ball when it is moving downwards
[2 marks]