The troposphere is the layer of the atmosphere which contacts the surface of the Earth. This layer is <span>0 to 12 km (0 to 7 miles).
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Explanation:
It is given that,
Length of the poster, l = 0.95 m
Breadth of the poster, b = 1 m
The poster is in the shape of rectangle. For a rectangular shape, perimeter is equal to :
P = 2(l+b)
P=2(0.95+1)
P=3.9 m
(b) One digits, P = 4 m
(c) Two digits, P = 3.9 m
(d) Three digits, P = 3.90 m
It would have to be a solid so the answer would be A.
Answer:
Explanation:
Given that,
Block of mass M= 6kg
Initially at rest u =0
A force F = 12N is used in pulling it along the horizontal
Distance moved s = 3m
Speed.
Using Newton second law
ΣFx = ma
12 = 6a
Then, a = 12/6
a = 2m/s²
Then, using equation of motion
v² = u² + 2as
v² = 0² + 2×2×3
v² = 0 + 12
v = √ 12
v = 3.46 m/s
The Continental crust is also less dense than oceanic crust, though it is considerably thicker; mostly 35 to 40 km versus the average oceanic thickness of around 7-10 km. About 40% of the Earth's surface is now underlain by continental crust.