Question

25. A car travels a distance of 360 kilometers in 2.5 hours. At this rate, how long does it take to travel 504 kilometers? a. 3 hours b. 3.5 hours c. 4 hours d. 4.5 hours​

Answer 1

QUESTION : A car travels a distance of 360 kilometers in 2.5 hours. At this rate, how long does it take to travel 504 kilometers? a. 3 hours b. 3.5 hours c. 4 hours d. 4.5 hours

WHAT TO DO : FIND THE TIME TO COVER 504 KM

SOLUTION :

GIVEN ,

DISTANCE = 360km

TIME = 2.5hr

SPEED = DISTANCE / TIME

=360/2.5

=144km/hr

REQUIRED DISTANCE = 504km

SPEED = 144km/hr

TIME = DISTANCE/SPEED

= 504/144

=3.5hr

ANSWER : 3.5hr

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Answer 2

Answer:

Concept :

The three key elements in the study of physics are speed, distance, and time. The magnitude of an object's velocity is referred to as its speed. It is unquestionably a scalar amount. The amount of space between any two places is referred to as distance. Additionally, distance is measured using units like miles, kilometres, metres, etc. Additionally, the change in position and the distance something moves are related. The evolution of events is referred to as time. As a result, a system is timeless if it is by its own nature unchangeable. Its passage is simply measurable. According to scientists, time constitutes the fourth dimension of reality. Time is a tool used by physicists to describe events in three dimensions.

Step-by-step explanation:

Given :

 Distance = 360 kms

 Time = 2.5hrs

To find :

How long will take to travel 504 kms ?

Solution :

By formula,

Speed = Distance/Time

Speed = 360/2.5

Speed = 144km/hr.

Now,

Distance = 504 km

Speed = 144 hm/hr

Time = Distance/Speed

Time = 504/144

Time = 3.5hr

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