<span>He climbs a ladder to paint some trim on his house. For each rung that he climbs, Brock is 1.2 feet higher above the ground.</span>
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Step-by-step explanation:
0.004 as a fraction is 1/250
one over two hundred and fifty
The answer will be Addition Problem
Answer: 10 m/s
Step-by-step explanation:
Given
Momentum of boy 
Mass of boy is 
Momentum is the product of mass and velocity

Substitute value

Thus, the boy is moving with a velocity of 10 m/s