The jet stream is a strong wind current that flows across the United States, as shown in the illustration below. Flying with the jet stream, a plane flew 2,280 miles in 4 hours. Against the same wind, the trip took 5 hours. Find the airspeed of the plane ( the speed in still air)

Q: A person drove 5 miles from home to the store. She took a different route back home that was only 4…

A: Motion of person (i) 5 miles from home to store  (ii) 4 miles from store to back home

Q: Translate to a system of equations and solve.   A small jet can fly 1,088 miles in 4 hours with a…

A: x=Speed of the jety=Speed of the windDistance traveledTime taken=4 hours

Q: how many km per hour must you swim if you want to cross a 5-km channel in 2-hours

A: Distance, d = 5 kmTime, t = 2 hoursSpeed, v = ?

Q: What is the density (in vehicles/km/lane) if I have a 2 lane road, with a total of 60 vehicles, and…

A: Given data: Number of lane = 2 Total number of vehicles = 60 Road length = 500 m = 1/2 km = 0.5 km…

Q: If a municipal reservoir containing 185.0 acre-feet of water is drained at a rate of 5000.0 gallons…

A: The volume of the reservoir, VR = 185.0 acre-feet The rate at which water is drained, R = 5000…

Q: A ship travels 15 miles in 112 minutes. What is its speed in mph? (Answer to the nearest whole…

A: Given Distance traveled by ship = 15 miles Time taken = 112 minutes =11260  =1.87 h We know that…

Q: A boat (with a flat bottom) and its cargo weigh 6,000 N. The area of the boat's bottom is 9 m2. How…

A: The weight of a boat is, W=6000 N The boat's bottom area is, A=9 m2

Q: DEA agents watch drug smugglers load 10,000 N of cocaine onto a fishing boat to transport it from…

A: weight = 10000 N density of saltwater = 1025 kg/m3area of base of boat = 50m2

Q: You are working for a window-manufacturing company. The company has just landed a new contract for…

A: Average speed of stone V = 7.70 m/s Area of window A = 0.750 m2 mass of hell stone m = 5 g…

Q: You start out by driving 293 miles north in 4 hours and 58 minutes, and then you stop and park for a…

A:

Q: The mass of a liter of milk is 1.032 kg.  The butterfat that it contains has a density of 865 kg/m3…

A: Since the butter fat constitutes 4.0% by volume, the volume of fat is 4.0% of 1m3 which is 0.04m3.…

Q: The number of square centimeters in 4.00 square meters is O 1) 4000 O 2) 400 O 3) 40 O 4) 40000

A: Given  4 m2

Q: During a typical afternoon thunderstorm in the summer, an area of 36.0 km2 receives 2.58 108 gal of…

A: Given, Vol of rain = 2.58 x 108 gal      [1gal = 231 in3]                  =2.58 x 108 x 231 in3…

Q: Analysis of time series data for a given site has yielded an average velocity of 6 m/s. It is…

A: Rayleigh distribution is a continuous probability distribution. It has a shape parameter of 1 and…

Q: At its peak, a tornado is 68 m in diameter and has 230 km/h winds. What is its frequency in…

A:

Q: It takes 4 hours for a boater to travel 15 miles upstream and back. If the speed of the boat in…

A:

Q: An airplane travels 6768 km against the wind in 9 hours and 8118 km with the wind in the same amount…

A:

Q: A small exercise area for dogs is 27 meters long and 3.2 meters wide. What is the area of the dog…

A:

Q: In landing activity, which variable should be maximized to minimize the risk of injury? Group of…

A: The objective of the question is to identify which variable should be maximized in a landing…

Q: A common speed limit in Vancouver, British Columbia, is 70 km/hr. You are going 61 MPH. What is…

A: The speed limit in British Columbia is =70km/h.                 The speed in MPH is =61MpH     We…

Q: The gasoline gauge on a van initially read (1)/(8) full. When 15 gallons were added to the tank, the…

A: Let total capacity of the tank is x gallon.Initially the amount of gasoline in the tank = x/8…

Q: It took a crew 4 hours 24 min to row 8 km upstream and back again. If the rate of flow of the stream…

A: Given,  Speed of stream =9 km/hr Time taken = 4.4 hour Distance = 8km upstream and back again. We…

Q: What is 100 mph in [m/s]?

A: In order to convert miles per hour (mph) to meters per second (m/s), we need to know the conversion…

Q: A train is moving with 72km/hr constant speed from one station to the other. The train is  50,000kg.…

A:

Q: You drive up a long road inclined at 10 degrees for 1.5 miles.  How may meters of elevation increase…

A:

Q: A boat travels 50 miles downstream in 2 hours and it takes 5 hours to travel back upstream. What is…

A:

Q: A plane flying horizontally at 456 m/s releases a package at an altitude of 15,049 m.  How long will…

A: Given : vox = 456 m/s yo = 15049 m y = 0 m (because finally package reaches the ground)

Q: The mass of a liter of milk is 1.032 kg.  The butterfat that it contains has a density of 865 kg/m3…

A: volume of milk = 1lit = 10-3 m3Volume of fat = 4100x10-3                          = 4 x 10-5m3

Q: A boat travels 50 miles downstream in 2 hours and it takes 5 hours to travel back upstream. What is…

A:

Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!