Answered: Two cars A and B, started moving from…

Two cars A and B, started moving from the same point. Car A traveled 60kph northward, while Car B traveled 80kph eastward. After 30 minutes, how fast is the distance between the two cars is changing?

Intermediate Algebra

10th Edition

ISBN:9781285195728

Author:Jerome E. Kaufmann, Karen L. Schwitters

Publisher:Jerome E. Kaufmann, Karen L. Schwitters

Chapter9: Functions

Section9.CR: Review Problem Set

Problem 74CR: The surface area of a cube varies directly as the square of the length of an edge. If the surface...

See similar textbooks

Related questions

Q: A plane leaves the airport flying due west at 440 mph while another plane leaves the same airport at…

A: Given that the plane A moves west at a speed of 440 mph Plane B moves South at a speed of 392 mph…

Q: Find the homogeneous equation with constant coefficients that has the given general solution -2x -2x…

Q: Give the form of a particular solution of -4x yl4) – 256 y =2 e**+3 e+ cos(4 x) – 2 a) O z=Ae -4х +…

A: OPTION D IS CORRECT.

Q: Two cars leave an intersection where two perpendicular highways meet at time t = 0. The first car is…

A: Draw the given scenario. Let a be the distance of car A north at time t, and b the distance of car…

Q: Evaluate the iterated integral live 00 √x + 4y dxdy.

A: We have to evaluate the given integration.

Q: Give the form of a particular solution of the differential equation y"+ 10y'+ 25 y =e"* sin (2 x) –…

A: The solution is given as

Q: Two cars leave the same point at the same time in straight-line paths that are 120 degrees apart. If…

Q: Give the general solution of the differential equation y"+ 6y'+ 5y =3x+ 2 -5x 3 e 25 5 8 3 b) O y=C,…

Q: Give the form of a particular solution of yl4) + 2 y " + 10 y "+ 18 y '+9y =5 e+ cos(x) +4 given…

Q: An automobile traveling at the rate of 20 m/s is approaching an intersection. When the automobile is…

Q: Give the general solution of the differential equation 4x p"+4y'+ 20y =2 e** cos( 2x) 1 e** cos( 2x)…

A: We will find out the required general solution.

Q: A spotlight on the ground shines on a wall 12 m away. If a man 2 m tall walks from the spotlight…

Q: A 25,000 machiene depreciates linearly to 0 over a ten year period.What is the value of the machiene…

A: The Initial value of machine is 25000 and its depreciates linearly to 0 over a ten year period. We…

Q: According to data from the Hill AerospaceMuse um (Hill Air Force Base, Utah), the speed of sound…

A: (a) Let x be the actual value of sound then difference between speed of sound and 707 will be less…

Q: logx =1,000,000x

A: Given the equation we need to solve the above equation.

Q: Car A is traveling north on a straight highway and car B is traveling west on a different straight…

Q: An airplane travels a distance of 42xy miles in 6xy2 hours. Find the average speed of the airplane.

A: Time and Distance Question

Q: 4. a spotlight is on ht is on and a 6 ft tall person is walking towards the wall at arate 0 A ft…

A: We need to find change in shadow height.

Q: Use the Laplace transform to solve the initial-value problem: [y " +5y'+4y=2 e, y(0) =-3, y '(0) =2]…

Q: Find the homogeneous equation with constant coefficients of least order that has the following as a…

Question

Two cars A and B, started moving from the same point. Car A traveled 60kph northward, while Car B traveled 80kph eastward. After 30 minutes, how fast is the distance between the two cars is changing?

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step 3

VIEW

Step by step

Solved in 3 steps with 3 images

SEE SOLUTION Check out a sample Q&A here

Similar questions

The force needed to break a board varies inversely with its length. If Tom uses 20 pounds of pressure to break a 1 .5-foot long board, how many pounds of pressure would he need to use to break a 6 foot long board?
If you travel 100 miles in two hours, then your average speed for the trip is Average speed=_________=________
The surface area of a cube varies directly as the square of the length of an edge. If the surface area of a cube that has edges 8 inches long is 384 square inches, find the square area of a cube that has edges 10 inches long.
A scientist watches a rocket rising vertically off the ground from a point that is 150 meters away on level ground. How fast is the rocket's angle of elevation increasing when the angle of elevation is 30 degrees if the rocket has attained a speed of 25m/sec at this time?
Two cars leave the same point at the same time in straight-line paths that are 120 degrees apart. If one car is traveling at 40 mph and the other at 72 mph, how fast is the distance between them changing 2 hours after they take off? (Use Law of Cosines).
A plane leaves the airport flying due west at 440 mph while another plane leaves the same airport at the same time but flies due south at 392 mph. After 2 hours, how fast is the distance between the planes changing?
Movement along the San Andreas Fault Averages 6 cm/year. At this rate, how long will it take for Los Angeles to move northward the 480 km to a position equivalent with San Fransisco?
A hot air balloon rising upwards is noticed by an observer who is 4 miles from where it is released. At this exact moment, the angle between the observer's line of sight and the horizontal is pi/3 radians. The angle of elevation is changing at 0.3 radians per minute. How fast is the hot air balloon rising right now?
A wolf and a bear leave from the same point at the same time. The wolf goes east at 12 feetper second. The bear goes south at 5 feet per second. At what rate is the distance between them increasing six seconds later?
A boat is sailing at a rate of 10 feet per second away from an observer 5 feet above the boat. How fast is the angle from the observer to the boat changing when the boat is a horizontal distance of 30 feet away from the observer?