A horizontal spring with spring constant 210 N/m is compressed by 15 cm and then used to launch a 300 g box across the floor. The coefficient of kinetic friction between the box and the floor is 0.23. Part A What is the box's launch speed? Express your answer with the appropriate units. HÅ → BENC ?

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CH O9 HW
Problem 9.58
8:
A horizontal spring with spring constant 210 N/m
is compressed by 15 cm and then used to launch a
300 g box across the floor. The coefficient of kinetic
friction between the box and the floor is 0.23.
3
E
D
80
F3
C
$
4
R
900
F4
FI
V
07 20
%
5
F5
T
G
^
6
B
▼
Part A
What is the box's launch speed?
Express your answer with the appropriate units.
Uf =
244
F6
Submit
Provide Feedback
Y
MacBook Air
H
v lo
Value
7
Request Answer
μA
F7
N
U
*
8
J
Units
1
M
(
9
K
?
DD
F9
)
O
F10
P
Transcribed Image Text:CH O9 HW Problem 9.58 8: A horizontal spring with spring constant 210 N/m is compressed by 15 cm and then used to launch a 300 g box across the floor. The coefficient of kinetic friction between the box and the floor is 0.23. 3 E D 80 F3 C $ 4 R 900 F4 FI V 07 20 % 5 F5 T G ^ 6 B ▼ Part A What is the box's launch speed? Express your answer with the appropriate units. Uf = 244 F6 Submit Provide Feedback Y MacBook Air H v lo Value 7 Request Answer μA F7 N U * 8 J Units 1 M ( 9 K ? DD F9 ) O F10 P
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