Answer: The derivative of a constant term is always 0. So the acceleration of the body would be zero. Hence, the acceleration of a body moving with uniform velocity will always be zero.
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Answer:
<h2>6 m/s</h2>
Explanation:
The speed of the man can be found by using the formula

d is the distance
t is the time taken
From the question we have

We have the final answer as
<h3>6 m/s</h3>
Hope this helps you
Answer:
Ratio is 1:1
Explanation:
I do not see any coefficients infront of the reactants and the products, therefore, we can automatically assume that every reactant and product is 1 mole. Don't get confused by the 4 off the O. It just means that 1 mole of sulfate has 1 zinc and 4 oxygens.
The answer is in the attachment below:
PH = -log [H+]
pH = -log (1.0x10^-4) = -(-4) = 4 or A