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An aeroplane flying at a constant speed, parallel to the horizontal ground, √3 km above it, is observed at an elevation of 60° from a point on the ground. If, after five seconds, its elevation from the same point, is 30°, then the speed (in km/hr) of the aeroplane, is:
- a)750
- b)720
- c)1440
- d)1500
Correct answer is option 'C'. Can you explain this answer?
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An aeroplane flying at a constant speed, parallel to the horizontal gr...
M 5 sec = 2km
Speed = 2/5 km/sec
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An aeroplane flying at a constant speed, parallel to the horizontal gr...
Will maintain a level flight as long as the lift force generated by the wings is equal to the weight of the aircraft. This is known as the equilibrium condition for level flight.
The lift force is generated by the wings as a result of the pressure difference between the upper and lower surfaces of the wings. The shape of the wings, known as the airfoil, is designed to create this pressure difference.
To maintain a constant speed, the thrust generated by the engines must be equal to the drag force acting on the aircraft. Drag is the resistance force that opposes the motion of the aircraft through the air. It is caused by factors such as air resistance and the shape of the aircraft.
In level flight, the lift force is perpendicular to the wings, while the weight and drag forces act in the opposite direction to the motion of the aircraft. The lift force counteracts the weight of the aircraft, preventing it from descending, while the thrust counteracts the drag force, allowing the aircraft to maintain a constant speed.
By adjusting the engine thrust, the pilot can control the speed of the aircraft. If the thrust is increased, the aircraft will accelerate, and if the thrust is decreased, the aircraft will decelerate.
Overall, in level flight, the aeroplane maintains a constant speed by balancing the lift force with the weight and the thrust with the drag force.
The lift force is generated by the wings as a result of the pressure difference between the upper and lower surfaces of the wings. The shape of the wings, known as the airfoil, is designed to create this pressure difference.
To maintain a constant speed, the thrust generated by the engines must be equal to the drag force acting on the aircraft. Drag is the resistance force that opposes the motion of the aircraft through the air. It is caused by factors such as air resistance and the shape of the aircraft.
In level flight, the lift force is perpendicular to the wings, while the weight and drag forces act in the opposite direction to the motion of the aircraft. The lift force counteracts the weight of the aircraft, preventing it from descending, while the thrust counteracts the drag force, allowing the aircraft to maintain a constant speed.
By adjusting the engine thrust, the pilot can control the speed of the aircraft. If the thrust is increased, the aircraft will accelerate, and if the thrust is decreased, the aircraft will decelerate.
Overall, in level flight, the aeroplane maintains a constant speed by balancing the lift force with the weight and the thrust with the drag force.
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An aeroplane flying at a constant speed, parallel to the horizontal ground, √3 km above it, is observed at an elevation of 60° from a point on the ground. If, after five seconds, its elevation from the same point, is 30°, then the speed (in km/hr) of the aeroplane, is:a)750b)720c)1440d)1500Correct answer is option 'C'. Can you explain this answer?
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An aeroplane flying at a constant speed, parallel to the horizontal ground, √3 km above it, is observed at an elevation of 60° from a point on the ground. If, after five seconds, its elevation from the same point, is 30°, then the speed (in km/hr) of the aeroplane, is:a)750b)720c)1440d)1500Correct answer is option 'C'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about An aeroplane flying at a constant speed, parallel to the horizontal ground, √3 km above it, is observed at an elevation of 60° from a point on the ground. If, after five seconds, its elevation from the same point, is 30°, then the speed (in km/hr) of the aeroplane, is:a)750b)720c)1440d)1500Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for An aeroplane flying at a constant speed, parallel to the horizontal ground, √3 km above it, is observed at an elevation of 60° from a point on the ground. If, after five seconds, its elevation from the same point, is 30°, then the speed (in km/hr) of the aeroplane, is:a)750b)720c)1440d)1500Correct answer is option 'C'. Can you explain this answer?.
An aeroplane flying at a constant speed, parallel to the horizontal ground, √3 km above it, is observed at an elevation of 60° from a point on the ground. If, after five seconds, its elevation from the same point, is 30°, then the speed (in km/hr) of the aeroplane, is:a)750b)720c)1440d)1500Correct answer is option 'C'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about An aeroplane flying at a constant speed, parallel to the horizontal ground, √3 km above it, is observed at an elevation of 60° from a point on the ground. If, after five seconds, its elevation from the same point, is 30°, then the speed (in km/hr) of the aeroplane, is:a)750b)720c)1440d)1500Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for An aeroplane flying at a constant speed, parallel to the horizontal ground, √3 km above it, is observed at an elevation of 60° from a point on the ground. If, after five seconds, its elevation from the same point, is 30°, then the speed (in km/hr) of the aeroplane, is:a)750b)720c)1440d)1500Correct answer is option 'C'. Can you explain this answer?.
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