A ball is thrown vertically upwards at a velocity of 6.0 ms<sup>-1</sup> - Edexcel - A-Level Physics - Question 8 - 2023 - Paper 1
Question 8
A ball is thrown vertically upwards at a velocity of 6.0 ms<sup>-1</sup>.
Which of the following gives the maximum height, in m, reached by the ball?
A. \( \frac{6.... show full transcript
Worked Solution & Example Answer:A ball is thrown vertically upwards at a velocity of 6.0 ms<sup>-1</sup> - Edexcel - A-Level Physics - Question 8 - 2023 - Paper 1
Step 1
Which of the following gives the maximum height, in m, reached by the ball?
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Answer
To find the maximum height reached by the ball when thrown upwards, we can use the formula derived from the equations of motion:
h=2gv2
where:
( v = 6.0 ) m/s (initial velocity)
( g = 9.81 ) m/s<sup>2</sup> (acceleration due to gravity)
Substituting the values:
h=2×9.81(6.0)2
Evaluating this gives:
h=19.6236.0≈1.836
Thus, the correct choice for the formula that gives the maximum height is option A: ( \frac{6.0^{2}}{2 \times 9.81} ).