Science:Math Exam Resources/Courses/MATH110/December 2014/Question 05 (a)
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Question 05 (a) |
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If a rock is thrown upward on the planet Mars with a velocity of 10 m/s, its height (in metres) above the ground level after seconds is given by (a) At what time will the rock hit the surface? |
Make sure you understand the problem fully: What is the question asking you to do? Are there specific conditions or constraints that you should take note of? How will you know if your answer is correct from your work only? Can you rephrase the question in your own words in a way that makes sense to you? |
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Hint |
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Find the solution to . |
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Solution |
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Please rate my easiness! It's quick and helps everyone guide their studies. Since represents the height (in metres) of the rock above the ground level, when the rock hits the surface, . Solving , we get . Therefore, the answer is . |