In Newton’s second law, if the net force acting on object doubles. The object’s Will also double
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The velocity at point B is 10 m/s with a pressure of 262500 Pa
<h3>Bernoulli equation</h3>
According to the continuity equation:
A₁V₁ = A₂V₂
Where A is the area and V is velocity, ρ = density of water = 1000 kg/m³
Hence:
4(5) = 2(V₂)
V₂ = 10 m/s
Using Bernoulli equation:
The velocity at point B is 10 m/s with a pressure of 262500 Pa
Find out more on Bernoulli equation at: brainly.com/question/14082066
When copper carbonate is heated, it decomposes to form a black residue. This black residue is actually copper(II) oxide. Along with this black residue, carbon-dioxide is released. The complete reaction is the following:
The law of conservation of mass holds true. 123.6 g of copper carbonate decomposes to 79.6 g of copper oxide and (123.6 g-79.6 g=44 g) 44 g of carbon-dioxide.