1.
1 answer:
Answer: Gravity
Explanation:
-Gravity is the force that attracts a body toward the center of the earth, or toward any other physical body having mass.
-Gravity does not affect horizontal motion, it only affects vertical motion and it acceleration going downward. Air resistance is what’s going to affect your projectiles horizontal motion going forward.
Explanation:
-Gravity is the force that attracts a body toward the center of the earth, or toward any other physical body having mass.
-Gravity does not affect horizontal motion, it only affects vertical motion and it acceleration going downward. Air resistance is what’s going to affect your projectiles horizontal motion going forward.
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Answer:
Correct option: B. 90%
Explanation:
The confidence interval is given by:
If is 190, we can find the value of
:
Now we need to find the value of :
So the value of z is 1.71.
Looking at the z-table, the z value that gives a z-score of 1.71 is 0.0436
This value will occur in both sides of the normal curve, so the confidence level is:
The nearest CI in the options is 90%, so the correct option is B.