A plane is flying 2400 kms from source A to destination B. Speed of the plane is 600 km/hr and speed of the wind tailing it is 40 km/hr. How many hours after take off would it be faster to go to B than to return to A in case of an emergency? A)1.65 hours; B)1.5 hours; C)1.75 hours; D)2 hours; E)None of these
John Noble
Answered question
2023-01-21
A)1.65 hours;
B)1.5 hours;
C)1.75 hours;
D)2 hours;
E)None of these
Answer & Explanation
zupreisen14v
Beginner2023-01-22Added 11 answers
From A to B speed of flight = 640 km/hr , while for the reverse it is = 560 km/hr.
Since 'x' represents the separation from A, the answer to the question is:
.
minimum such distance = 1120 km and time taken to cover .
True answer (d).
New Questions in Other
22+64
When a cold drink is taken from a refrigerator, its temperature is 5 degree C. After 25 minutes in a 20 degree C room its temperature has increased to 10 degree C. What is the temperature of the drink after 50 minutes?
How many minutes are there in hours?
Find the answer for power .
The following law describes the relationship between gas volume and pressure: ________. A)Boyle's law; B)Henry's law; C)Charles' law; D)Dalton's law
If an electric switch is open then no current flows through the circuit.
A)True;
B)FalseThe price elasticity of supply of a good is 0.8. Its price rises by 50 per cent. Calculate the percentage increase in its supply.
How many quarts are in 10 gallons?
When the net force acting on an object is zero, the total momentum of the system will:
A)remain constant;
B)increase with time;
C)decrease with time;
D)None of theseHow many centimeters are in four meters?
A notebook computer has a mass of 2.25 kilograms. About how many pounds does the notebook weigh?
If the dot product of two non-zero vectors is zero, then the vectors A)are parallel to each other. B)are perpendicular to each other. C)can have any orientation. D)are anti-parallel to each other.
Which is longer 5 miles or 10 kilometers?
9 grams is how many milligrams?
How to write in scientific notation?
