kailynconduah6
contestada

Which of the following shows two vehicles with equal velocities? A- two identical cars traveling at the same speed in different directions. B- two identical cars traveling at different speeds in the same direction. C- a car and a motorcycle traveling at the same speed in opposite directions. D- a car and a motorcycle traveling at the same speed in the same direction

Respuesta :

alredelizabeth

Answer:

Answer: speed of the car is 88 miles per hour

the speed of the motorcycle is 78 miles per hour

Step-by-step explanation:

Number of miles travelled by car = 312

Number of miles travelled by motorcycle = 272

Let x = speed of the car

Let y = speed of the motorcycle

If the car's speed is 10mph more than the motorcycle's, it means

x = y + 10 - - -- - - 1

Time taken for car to travel 312 miles is distance /speed = 312/x

Time taken for motorcycle to travel 272 miles is distance /speed = 272/y

The car travels 312 miles in the same time that a motorcycle traveled 272.

This means

312/x = 272/y

312y = 272x

y = 272x/312

Substituting y = 272x/312 into equation 1, it becomes

x = 272x/312 + 10

312x = 272x + 3120

312x-272x = 3120

40x = 3120

x = 3120/40 = 78 miles per hour

x = y + 10 = y + 78

x = 88 miles per hour

Explanation:

PLS GIVE BRAINLIST

raphealnwobi

A car and a motorcycle traveling at the same speed in the same direction have the same velocity.

Velocity is the time rate of change in displacement. It is given by:

Velocity = displacement / time

Velocity is a vector quantity, hence it has both magnitude and direction.

Two vehicles are said to have the same velocity if the have the same speed and move in the same direction.

Find out more at: https://brainly.com/question/13639113