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A body is thrown vertically upward from the ground. It reaches a maximum height of 20 m in 5 sec. After what time, it will reach the ground from its maximum height position? [1995]
- a)2.5 sec
- b)5 sec
- c)10 sec
- d)25 sec
Correct answer is option 'B'. Can you explain this answer?
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Verified Answer
A body is thrown vertically upward from the ground. It reaches a maxim...
hmax = 20 m and t = 5 sec. Time taken by the body to reach the ground from some height is the same as taken to reach that height.
Therefore, time to reach the ground from its maximum height is 5 sec.
Therefore, time to reach the ground from its maximum height is 5 sec.
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A body is thrown vertically upward from the ground. It reaches a maxim...
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A body is thrown vertically upward from the ground. It reaches a maxim...
To solve this problem, we can use the equations of motion for vertical motion under gravity. Let's break down the problem step by step.
Given:
Initial velocity (u) = 0 m/s (since the body is thrown vertically upward)
Maximum height (h) = 20 m
Time taken to reach the maximum height (t1) = 5 sec
1. Finding the acceleration:
Using the equation h = ut + (1/2)gt^2, where h is the maximum height, u is the initial velocity, g is the acceleration due to gravity, and t is the time taken to reach the maximum height, we can rearrange the equation to solve for acceleration:
h = ut + (1/2)gt^2
20 = 0 + (1/2)g(5)^2
20 = 12.5g
g = 20/12.5
g = 1.6 m/s^2
2. Finding the time taken to reach the ground from the maximum height position:
To find the time taken to reach the ground from the maximum height position, we can use the equation v = u + gt, where v is the final velocity (0 m/s at the highest point) and u is the initial velocity (0 m/s). Rearranging the equation, we have:
v = u + gt
0 = 0 + (1.6)t
t = 0/1.6
t = 0 sec
Since the time taken to reach the ground from the maximum height is 0 sec, it means the body will reach the ground instantaneously as it falls from the maximum height position. Therefore, the correct answer is option 'B' - 5 sec.
In summary:
- The body reaches a maximum height of 20 m in 5 sec.
- It will reach the ground from its maximum height position instantaneously, which means the time taken is 0 sec.
- Thus, the correct answer is option 'B' - 5 sec.
Given:
Initial velocity (u) = 0 m/s (since the body is thrown vertically upward)
Maximum height (h) = 20 m
Time taken to reach the maximum height (t1) = 5 sec
1. Finding the acceleration:
Using the equation h = ut + (1/2)gt^2, where h is the maximum height, u is the initial velocity, g is the acceleration due to gravity, and t is the time taken to reach the maximum height, we can rearrange the equation to solve for acceleration:
h = ut + (1/2)gt^2
20 = 0 + (1/2)g(5)^2
20 = 12.5g
g = 20/12.5
g = 1.6 m/s^2
2. Finding the time taken to reach the ground from the maximum height position:
To find the time taken to reach the ground from the maximum height position, we can use the equation v = u + gt, where v is the final velocity (0 m/s at the highest point) and u is the initial velocity (0 m/s). Rearranging the equation, we have:
v = u + gt
0 = 0 + (1.6)t
t = 0/1.6
t = 0 sec
Since the time taken to reach the ground from the maximum height is 0 sec, it means the body will reach the ground instantaneously as it falls from the maximum height position. Therefore, the correct answer is option 'B' - 5 sec.
In summary:
- The body reaches a maximum height of 20 m in 5 sec.
- It will reach the ground from its maximum height position instantaneously, which means the time taken is 0 sec.
- Thus, the correct answer is option 'B' - 5 sec.
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A body is thrown vertically upward from the ground. It reaches a maximum height of 20 m in 5 sec. After what time, it will reach the ground from its maximum height position? [1995]a)2.5 secb)5 secc)10 secd)25 secCorrect answer is option 'B'. Can you explain this answer?
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A body is thrown vertically upward from the ground. It reaches a maximum height of 20 m in 5 sec. After what time, it will reach the ground from its maximum height position? [1995]a)2.5 secb)5 secc)10 secd)25 secCorrect answer is option 'B'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about A body is thrown vertically upward from the ground. It reaches a maximum height of 20 m in 5 sec. After what time, it will reach the ground from its maximum height position? [1995]a)2.5 secb)5 secc)10 secd)25 secCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A body is thrown vertically upward from the ground. It reaches a maximum height of 20 m in 5 sec. After what time, it will reach the ground from its maximum height position? [1995]a)2.5 secb)5 secc)10 secd)25 secCorrect answer is option 'B'. Can you explain this answer?.
A body is thrown vertically upward from the ground. It reaches a maximum height of 20 m in 5 sec. After what time, it will reach the ground from its maximum height position? [1995]a)2.5 secb)5 secc)10 secd)25 secCorrect answer is option 'B'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about A body is thrown vertically upward from the ground. It reaches a maximum height of 20 m in 5 sec. After what time, it will reach the ground from its maximum height position? [1995]a)2.5 secb)5 secc)10 secd)25 secCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A body is thrown vertically upward from the ground. It reaches a maximum height of 20 m in 5 sec. After what time, it will reach the ground from its maximum height position? [1995]a)2.5 secb)5 secc)10 secd)25 secCorrect answer is option 'B'. Can you explain this answer?.
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