Answer:
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Answer:
positive or zero
Explanation:
if you say the amount can be accumulated, then the slope should be positive
if the amount can't be accumulated , the slope should be zero
Answer:
Normal force, 
Explanation:
Let 
is the weight of suitcase. A man attempts to pick up his suitcase by pulling straight up on the handle. The weight of the suitcase in downward direction. The normal force is acting in upward direction. Let F is the force with which it is pulled straight up.
So, the normal force is given by :
N = mg - F
mg is the weight of the suitcase.
Hence, this is the required solution.
I believe I seen on google if you go to Mather
Hi,
Recall the formula V=d/t, where V stands for velocity or speed, d stands for distance and t stands for time. By substituting your values you get: V=50.0km/2.5h, which equals to 20km/h.
