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VashaNatasha [74]
3 years ago
6

The two-way table below gives the thousands of commuters in Massachusetts in 2015 by transportation method and one-way length of

commute.
Less than
15
1515 minutes
15
1515-
29
2929 minutes
30
3030-
44
4444 minutes
45
4545-
59
5959 minutes
60
6060 or more minutes Total
Private vehicle
636
636636
908
908908
590
590590
257
257257
256
256256
2647
26472647
Public Transportation
9
99
54
5454
96
9696
62
6262
108
108108
329
329329
Other
115
115115
70
7070
23
2323
7
77
7
77
222
222222
Total
760
760760
1032
10321032
709
709709
326
326326
371
371371
3198
31983198
Given that the commuter used public transportation, find the probability that the commuter had a commute of
60
6060 or more minutes.
P
(
60
+
minutes
∣
public transportation
)
=
P(60+ minutes ∣ public transportation)=
Physics
2 answers:
Ugo [173]3 years ago
8 0

Answer:

36

Explanation:

Step review

forsale [732]3 years ago
7 0

Answer:

wow uh what? hdfgdfgf

Explanation:?

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34kurt
The answer is 8 because multiplying 7 and 8 is 56
4 0
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It is known that the kinetics of recrystallization for some alloy obeys the Avrami equation, andthat the value of n in the expon
trapecia [35]

Answer:8.76\times 10^{-3} min^{-1}

Explanation:

Given

n=5

0.3 fraction recrystallize after 100 min

According to Avrami equation

y=1-e^{-kt^n}

where y=fraction Transformed

k=constant

t=time

0.3=1-e^{-k(100)^5}

e^{-k(100)^5} =0.7

Taking log both sides

-k\cdot (10^{10}=\ln 0.7

k=3.566\times 10^{-11}

At this Point we want to compute t_{0.5}\ i.e.\ y=0.5

0.5=1-e^{-kt^n}

0.5=e^{-kt^n}

0.5=e^{-3.566\times 10^{-11}\cdot (t)^5}

taking log both sides

\ln 0.5=-3.566\times 10^{-11}\cdot (t)^5

t^5=1.943\times 10^{10}

t=114.2 min

Rate of Re crystallization at this temperature

t^{-1}=8.76\times 10^{-3} min^{-1}

3 0
3 years ago
This is about the magnet fields. thanks in advance.​
Wewaii [24]
The answer is A. The outer lines change as it moves
8 0
2 years ago
A ball is thrown upward at time t=0 from the ground with an initial velocity of 8 m/s (~ 18 mph). What is the total time it is i
evablogger [386]

Answer:

The total time it is in the air for the ball is 1.6326 s

Given:

Initial velocity = 8 \frac{m}{s}

To find:

the total time it is in the air = ?

Formula used:

t = \frac{v-u}{a}

Where t = time to reach maximum height

v = final velocity of the ball = 0 m/s

u = initial velocity of ball = 8 m/s

a = acceleration due to gravity = -9.8

Acceleration of gravity is taken as negative because ball is moving in opposite direction.

Solution:

A ball is thrown upward at time t=0 from the ground with an initial velocity of 8 m/s.

The time taken by the ball to reach the maximum height is given by,

t = \frac{v-u}{a}

Where t = time to reach maximum height

v = final velocity of the ball = 0 m/s

u = initial velocity of ball = 8 m/s

a = acceleration due to gravity = -9.8

Acceleration of gravity is taken as negative because ball is moving in opposite direction.

t = \frac{0-8}{-9.8}

t = 0.8163 s

Thus, time taken by the ball to reach the ground again = time taken to reach maximum height

So, Total time required for ball to reach ground = 2t = 2 × 0.8163

Total time required for ball to reach ground = 1.6326 s

The total time it is in the air for the ball is 1.6326 s

4 0
3 years ago
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stira [4]
I don’t even know I’m so dumb.
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