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const2013 [10]
3 years ago
13

Objects in space that are moving at a constant velocity in a straight line ___________.

Physics
2 answers:
nikdorinn [45]3 years ago
6 0
The best answer is A) <span>keep moving at a constant velocity until some forces act on them

As the man you're probably tired of hearing about said:

"Every object persists in its state of rest or in uniform motion in a straight line unless a new force acts upon it" 
This is Isaac Newton's 1st law of motion, or the law of inertia. 

Put more simply, objects in motion tend to stay in motion, and tend the maintain the same velocity (direction and speed) and objects at rest tend to stay at rest. </span>
Alla [95]3 years ago
3 0
A. Keep moving at a constant velocity until some forces act on them
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Answer

given,

force = 94 lb

weight of crate = 220 lb

Assuming the static friction be equal = 0.47

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3 years ago
What is the enthalpy change, ΔH, for this reaction? Show your work.
zubka84 [21]

Answer:

B) What is the enthalpy change, ∆H, for this reaction? Show your work to receive full credit (5 points) The enthalpy change is 150. To find it we must subtract energy of products (200) & the energy of reactants (50) so 200 – 50 equals 150.

Explanation:

B) What is the enthalpy change, ∆H, for this reaction? Show your work to receive full credit (5 points) The enthalpy change is 150. To find it we must subtract energy of products (200) & the energy of reactants (50) so 200 – 50 equals 150.

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