1.

How far would the car travel in four second if it is moving with a speed of 45 km / h​

Answer»

Answer:

Let's FIRST make this question EASIER by converting the SPEED from km/hr to m/s.

1 km/hr = 5/18 m/s

Using this relation,

45 km/hr = 25/2 or 12.5 m/s

Now, we need to FIND the distace travelled which is given by d=s×t.

For s=12.5 m/s and t=4 s,

d=(12.5 m/s)×(4 s)=50 m



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