Question

a car movie the speed of 400 kilometre per hour for 15 minutes and then with a speed of 600 km per hour for the next 15 minutes the total distance covered by the car

Answer 1

Given,

a car move with the speed of $400km/h$ in first 15 minutes

Convert this to hour $=\frac{15}{60}$ hour

Here, distance=speed$\times$time

$=400\times\frac{15}{60}$

$=100$km

After it moves with speed of $600km/h$ for next $15 min$

Here distance$=600\times \frac{15}{60}$

$=150km$

The total distance covered=$100+150$

$=250km$

Therefore, the total distance covered by car is $250 km/h$.

Answer 2

Answer:

$250km$

Step-by-step explanation:

Given data,

Speed of the car $=400km/hr$

Time $=15$ minutes $=\frac{15}{60}h=\frac{1}{4}h$

As we know Speed $=\frac{distance}{time}$

$\Rightarrow$ distance $=$ speed $\times$ times

$\Rightarrow$ distance $=400\times\frac{1}{4}=100km$

Therefore, the car travelled $100km$ at a speed of $400km/hr$

Now, the distance travelled by the car ta a speed of $600km/hr$

$=600\times\frac{1}{4}=150km$

Hence, the total distance covered by the car $=100+150=250km$.