An airplane whose speed in still air is 760 kph can travel 2000 km flying with a tailwind, in the same amount of time that it takes to fly 1800 km flying with a head wind. Find the speed of the wind. How long it will take thw plane to travel the given distances?

Q: You have your ear against a new speaker when it emits a sounds with an intensity of 160 decibels

A: 1)Sounds below 70db don't cause any hearing damage.   2) Beyond 70db sounds isn't good for your ears…

Q: A Ferris wheel is 50 meters in diameter and boarded from a platform that is 4 meters above the…

A: A Ferris wheel is 50 meters in diameter and boarded from a platform that is 4 meters above the…

Q: a boat travels 30 km upstream in the same time it takes to travel 46 km downstream if the current…

A: given ,  upstream distance = 30km downstream distance = 46km rate of stream = 6kph

Q: Movement along the San Andreas Fault Averages 6 cm/year. At this rate, how long will it take for Los…

A: Given : Average movement of San Andreas Fault= 6 cm/year

Q: How long a tape does a police officer need to record a 2 minute video confession at an operating…

A:

Q: 3. A car traveling at 90 kph is passed by a second car going in the same direction at a constant…

A: To find the speed of the car

Q: The altitude of a triangle is increasing at a rate of 1 centimeters/minute while the area of the…

A: Given that  the altitude of a triangle increases at the rate of 1 cm/min while the area of the…

Q: The speed of a boat in still water is 15 km / hr.It can go 30 km upstream and return downstream to…

A: To find: The speed of the stream. Given information: The speed of a boat in still water is 15 km/hr.…

Q: If the car is traveling 65 miles per hour, about how many times per second does the wheel rotate?

A: we know that 1 mile=1.609344 kmand car is travelling 65 miles =65×1.609344 km=104.60 kmthat is car…

Q: The altitude of a triangle is increasing at a rate of 1 centimeters/minute while the area of the…

A: Given- The altitude of  a triangle is increasing at a rate of 1 cm/min. and the area of the triangle…

Q: auto traveling 115 ft/min. what is speed mph

A:

Q: A car moving 20m/s, increases its speed to 60m/s. The increase in speed happens over 10 seconds.…

A: We find acceleration

Q: A snail moves at the speed of 2.39 inches per minute.if the snail keeps moving at this rate,how many…

A: