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Sum of Forces = ma
[ ]
,
F
net
=
ma
[ ]
,
Forces
∑
=
ma
[ ]
,
F
1 on 2
=
−
F
2 on 1
[ ]
,
d
=
x
f
−
x
i
[ ]
,
v
=
d
t
=
x
f
−
x
i
t
,
a
avg
=
Δ
v
t
F
g
=
G
Mm
R
2
,
G
=
6.7
×
10
−
11
[ ]
,
F
E
=
k
Qq
R
2
,
k
=
8.99
×
10
9
[ ]
,
F
k
=
μ
k
N
[ ]
,
F
s
,max
=
s
N
[ ]
,
F
spring
=
−
kx
[ ]
Rubric Code:
a)
A block
rests
on a flat plane with coefficient of static friction: μ
s
=
√
(1/3).
One end of
the plane is lifted up to increase the incline of the plane.
At what angle will the block
begin to move?
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Unformatted text preview: Fall 2010 7B Quiz 6 – Sample 3 Student ID:________________ Name:________________ , ________________ ______ (last) (first) DL Sec# a) The coefficient of kinetic friction is μ k =0.4 Once you reach the angle where it starts to slide, find the acceleration of the block a) If the block takes 3 seconds to reach the bottom, find it’s final velocity...
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This note was uploaded on 09/08/2010 for the course PHY 7B PHY7B taught by Professor Cebra during the Winter '10 term at UC Davis.
 Winter '10
 Cebra

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