I believe it’s 60km/h
I divided the total distance (120 km) by the time it took to get there (2h) to get this.
Distance = (speed) x (time)
Distance = (20 m/s) x (500 s)
Distance = (20 x 500) (m·s / s)
Distance = 10,000 m
Answer: The area of brick in contact with the floor is 1539
.
Explanation:
Given: Length = 19 cm
Width = 9 cm
Height = 9 cm
As the brick is rectangular in shape. Hence, its area will be calculated as follows.
![Area = length \times width \times height](https://tex.z-dn.net/?f=Area%20%3D%20length%20%5Ctimes%20width%20%20%5Ctimes%20height)
Substitute the values into above formula as follows.
![Area = length \times width \times height\\= 19 cm \times 9 cm \times 9 cm\\= 1539 cm^{3}](https://tex.z-dn.net/?f=Area%20%3D%20length%20%5Ctimes%20width%20%20%5Ctimes%20height%5C%5C%3D%2019%20cm%20%5Ctimes%209%20cm%20%5Ctimes%209%20cm%5C%5C%3D%201539%20cm%5E%7B3%7D)
Thus, we can conclude that area of brick in contact with the floor is 1539
.
Answer:
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