PLEASE HELP i really need help with these
2 answers:
Technology- technology is like my phone or laptop
Invention- an invention is what someone created that was not created before
Brainstorm- brainstorming is like when your writing down bits and pieces of what you will do before doing it
Constraint- constraining is like being very focused on what you are doing
Trade-off - it's like trading something for something else
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Answer:
W = 112.76MJ
Explanation:
the work is:
where is the force executed in the direction of the displacement and the d the displacement.
so:
W = 12000Ncos(20)(10000)
we use the cos of the angule because it give us the proyection in the axis x of the force, that means the force in the direction of the displacement.
W = 112.76MJ
Answer:
v = √k/m x
Explanation:
We can solve this exercise using the energy conservation relationships
starting point. Fully compressed spring
Em₀ = = ½ k x²
final point. Cart after leaving the spring
= K = ½ m v²
Em₀ = Em_{f}
½ k x² = ½ m v²
v = √k/m x