A ball is thrown vertically upwards.
The graph shows the height of the ball
above the ground a...
Mathematics, 27.02.2021 21:30 mrashrafkotkaat
A ball is thrown vertically upwards.
The graph shows the height of the ball
above the ground after it is thrown.
3-
a) For how many seconds is the ball at a
height of more than 1.5 metres?
1 seconds (1)
nt (m)
2
|
b) After how many seconds is the ball at
instantaneous rest when it is in the air?
seconds (1)
1
c) What is the average speed of the ball,
to 1 decimal place, when it is moving
downwards?
m/s
(2)
O
1
4
5
2 3
Time (s)
Total marks: 4
Answers: 3
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