Colton scored a 70 on his first math test of the semester and a 91 on his second math test. By what percent did Colton’s score i
1 answer:
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Given that the subway stations are 930 m apart, the train have to be accerelated for half the distance and then decerelated for the rest of the distance.
Recall that the distance travelled by an object with an initial velocity, u, for a period of time, t, at an accereration, a, is given by
But, we assume that the train accelerates from rest, thus
The maximum speed is attained at half the center of the distance between subway stations (i.e. at distance = 465 m).
Thus, maximum speed = distance / time = 465 / 23.12 = 20.11 m/s.
Recall that the distance travelled by an object with an initial velocity, u, for a period of time, t, at an accereration, a, is given by
But, we assume that the train accelerates from rest, thus
The maximum speed is attained at half the center of the distance between subway stations (i.e. at distance = 465 m).
Thus, maximum speed = distance / time = 465 / 23.12 = 20.11 m/s.
Answer:
I think it's A - (0,-3)
Step-by-step explanation:
x,y
(0,-3)
y-intercept equation for this problem:
Break it down to smaller parts:
Rewriting it in a neater way:
=>
Therefore, answer A / the first choice is correct
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