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A stone is thrown vertically upwards with a speed of 15 m/s. How long will it ta
A stone is thrown vertically upwards with a speed of 15 m/s. How long will it take to reach the highest point? (Take g = 10 m/s²) (2023)
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Practice Questions
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Q1
A stone is thrown vertically upwards with a speed of 15 m/s. How long will it take to reach the highest point? (Take g = 10 m/s²) (2023)
1.5 s
2 s
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Time to reach highest point = u/g = 15/10 = 1.5 s.
Questions & Step-by-step Solutions
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Q
Q: A stone is thrown vertically upwards with a speed of 15 m/s. How long will it take to reach the highest point? (Take g = 10 m/s²) (2023)
Solution:
Time to reach highest point = u/g = 15/10 = 1.5 s.
Steps: 6
Show Steps
Step 1: Understand that when a stone is thrown upwards, it will eventually stop rising and reach a highest point before falling back down.
Step 2: Know that the initial speed (u) of the stone is 15 m/s.
Step 3: Recognize that the acceleration due to gravity (g) is acting downwards at 10 m/s².
Step 4: To find the time (t) it takes to reach the highest point, use the formula: t = u / g.
Step 5: Substitute the values into the formula: t = 15 m/s / 10 m/s².
Step 6: Calculate the time: t = 1.5 seconds.
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