Question

A car is moving with a speed of 90m/sec in 2 hours. Calculate the distance covered by the car in km per hour
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Answer 1

Answer :

›»› The distance covered by the car is 648 kilometre (km).

Given :

• A car is moving with a speed of 90 m/sec in 2 hours.

To Calculate :

• The distance covered by the car = ?

How to calculate?

Here in this question we have to calculate the distance covered by the car. So, firstly we need to convert the unit of of time taken of the car from hours to seconds, after that we will find the distance covered by the car but our answer come in meter so, we need to also convert the unit of distance covered by the car from meter to kilometres, after all this our answer come in kilometres.

To convert the unit of time taken by car, we will multiply the time value by 3600.

To calculate the distance covered by the car we use the formula for distance, which says Distance = Speed * Time.

To convert the unit of distance covered by the car, we will divide the distance value by 1000.

Calculations :

Converting unit of time taken from hours to seconds:

→ 1 hour = 3600 sec.

→ 2 hour = 3600 * 2

→ Time taken = 7200 sec.

Calculating distance covered by the car:

→ Distance = Speed * Time taken

→ Distance = 90 * 7200

→ Distance = 64800.

Now, converting the distance value from meter to kilometre:

→ 1 meter = 0.001 km

→ 64800 km = 648000 ÷ 1000

→ Distance = 648.

Hence, the distance covered by the car is 648 kilometre (km).

Answer 2

Answer:

the answer is 648 km .....