For the following exercises, approximate the mass of the homogeneous lamina that has the shape of given surface S . Round to four decimal places. 290. Evaluate ∫ ∫ s ( y 2 z i + y 3 j + x z k ) ⋅ d S , where S is the surface of cube − 1 ≤ x ≤ 1 , − 1 ≤ y ≤ 1 , and 0 ≤ z ≤ 2 , in a counterclockwise direction.
For the following exercises, approximate the mass of the homogeneous lamina that has the shape of given surface S . Round to four decimal places. 290. Evaluate ∫ ∫ s ( y 2 z i + y 3 j + x z k ) ⋅ d S , where S is the surface of cube − 1 ≤ x ≤ 1 , − 1 ≤ y ≤ 1 , and 0 ≤ z ≤ 2 , in a counterclockwise direction.
For the following exercises, approximate the mass of the homogeneous lamina that has the shape of given surface S. Round to four decimal places.
290. Evaluate
∫
∫
s
(
y
2
z
i
+
y
3
j
+
x
z
k
)
⋅
d
S
, where S is the surface of cube
−
1
≤
x
≤
1
,
−
1
≤
y
≤
1
, and
0
≤
z
≤
2
, in a counterclockwise direction.
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39. The balls shown have different masses and speeds. Rank
the following from greatest to least:
2.0 m/s
8.5 m/s
9.0 m/s
12.0 m/s
1.0 kg
A
1.2 kg
B
0.8 kg
C
5.0 kg
D
C
a. The momenta
b. The impulses needed to stop the balls
Solved 39. The balls shown have different masses and
speeds. | Chegg.com
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13. In 2000, two organizations conducted surveys to ascertain the public's opinion on banning gay men from serving in leadership roles in the Boy Scouts.• A Pew poll asked respondents whether they agreed with "the recent decision by the Supreme Court" that "the Boy Scouts of America have a constitutional right to block gay men from becoming troop leaders."A Los Angeles Times poll asked respondents whether they agreed with the following statement: "A Boy Scout leader should be removed from his duties as a troop leader if he is found out to be gay, even if he is considered by the Scout organization to be a model Boy Scout leader."One of these polls found 36% agreement; the other found 56% agreement. Which of the following statements is true?A) The Pew poll found 36% agreement, and the Los Angeles Times poll found 56% agreement.B) The Pew poll includes a leading question, while the Los Angeles Times poll uses neutral wording.C) The Los Angeles Times Poll includes a leading question, while…
A tank contains 60 kg of salt and 2000 L of water. Pure water enters a tank at the rate 8 L/min. The
solution is mixed and drains from the tank at the rate 11 L/min.
Let y be the number of kg of salt in the tank after t minutes.
The differential equation for this situation would be:
dy
dt
y(0) =
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