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A boy throws up a ball in a stationary lift and the ball returns to his hands in 10 s. Now if the lift starts moving up at a speed of 5 m/s. The time taken for a ball thrown straight up to return to his hands is: A: more than 10 s B: Less than 10 s C: insufficient information given D: equal to 10 s?
Most Upvoted Answer
A boy throws up a ball in a stationary lift and the ball returns to hi...
Analysis:
The time taken for the ball to return to the boy's hands in a stationary lift is 10 seconds. When the lift starts moving upwards at a speed of 5 m/s, the ball will also have a vertical velocity component of 5 m/s due to the lift's motion.
Effect of Lift's Motion on Ball:
When the lift is moving upwards, the ball thrown by the boy will also move upwards with a speed of 5 m/s. This additional speed will reduce the time taken for the ball to return to the boy's hands.
Calculation:
- Time taken for the ball to return in a stationary lift = 10 seconds
- Time taken for the ball to return in a moving lift can be calculated using the formula: Time = (2 * initial velocity) / acceleration
Comparison:
- The new time taken for the ball to return in a moving lift will be less than 10 seconds due to the lift's upward motion.
- Therefore, the correct answer is B: Less than 10 s.
Conclusion:
The time taken for the ball thrown straight up to return to the boy's hands in a moving lift will be less than 10 seconds due to the lift's upward motion.
The time taken for the ball to return to the boy's hands in a stationary lift is 10 seconds. When the lift starts moving upwards at a speed of 5 m/s, the ball will also have a vertical velocity component of 5 m/s due to the lift's motion.
Effect of Lift's Motion on Ball:
When the lift is moving upwards, the ball thrown by the boy will also move upwards with a speed of 5 m/s. This additional speed will reduce the time taken for the ball to return to the boy's hands.
Calculation:
- Time taken for the ball to return in a stationary lift = 10 seconds
- Time taken for the ball to return in a moving lift can be calculated using the formula: Time = (2 * initial velocity) / acceleration
Comparison:
- The new time taken for the ball to return in a moving lift will be less than 10 seconds due to the lift's upward motion.
- Therefore, the correct answer is B: Less than 10 s.
Conclusion:
The time taken for the ball thrown straight up to return to the boy's hands in a moving lift will be less than 10 seconds due to the lift's upward motion.
Community Answer
A boy throws up a ball in a stationary lift and the ball returns to hi...
A more than 10
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A boy throws up a ball in a stationary lift and the ball returns to his hands in 10 s. Now if the lift starts moving up at a speed of 5 m/s. The time taken for a ball thrown straight up to return to his hands is: A: more than 10 s B: Less than 10 s C: insufficient information given D: equal to 10 s?
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A boy throws up a ball in a stationary lift and the ball returns to his hands in 10 s. Now if the lift starts moving up at a speed of 5 m/s. The time taken for a ball thrown straight up to return to his hands is: A: more than 10 s B: Less than 10 s C: insufficient information given D: equal to 10 s? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about A boy throws up a ball in a stationary lift and the ball returns to his hands in 10 s. Now if the lift starts moving up at a speed of 5 m/s. The time taken for a ball thrown straight up to return to his hands is: A: more than 10 s B: Less than 10 s C: insufficient information given D: equal to 10 s? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A boy throws up a ball in a stationary lift and the ball returns to his hands in 10 s. Now if the lift starts moving up at a speed of 5 m/s. The time taken for a ball thrown straight up to return to his hands is: A: more than 10 s B: Less than 10 s C: insufficient information given D: equal to 10 s?.
A boy throws up a ball in a stationary lift and the ball returns to his hands in 10 s. Now if the lift starts moving up at a speed of 5 m/s. The time taken for a ball thrown straight up to return to his hands is: A: more than 10 s B: Less than 10 s C: insufficient information given D: equal to 10 s? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about A boy throws up a ball in a stationary lift and the ball returns to his hands in 10 s. Now if the lift starts moving up at a speed of 5 m/s. The time taken for a ball thrown straight up to return to his hands is: A: more than 10 s B: Less than 10 s C: insufficient information given D: equal to 10 s? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A boy throws up a ball in a stationary lift and the ball returns to his hands in 10 s. Now if the lift starts moving up at a speed of 5 m/s. The time taken for a ball thrown straight up to return to his hands is: A: more than 10 s B: Less than 10 s C: insufficient information given D: equal to 10 s?.
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