**20. A big letter G with a volume of 400 cm3 is fully submerged in water. Two stringshold the G in place, as shown, and they each have a tension of 1.5 N. The density of wateris 1 g/cm3a) Draw a free-body diagram of the G.b) Find the magnitude of the buoyant force exerted on the G by the water.53°53°c) What is the mass of the G?d) What is the density of the G?e) The two strings are cut simultaneously. Find the acceleration of the G (direction andmagnitude) right after the strings are cut.

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Asked Nov 12, 2019
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**20. A big letter G with a volume of 400 cm3 is fully submerged in water. Two strings
hold the G in place, as shown, and they each have a tension of 1.5 N. The density of water
is 1 g/cm3
a) Draw a free-body diagram of the G.
b) Find the magnitude of the buoyant force exerted on the G by the water.
53°
53°
c) What is the mass of the G?
d) What is the density of the G?
e) The two strings are cut simultaneously. Find the acceleration of the G (direction and
magnitude) right after the strings are cut.
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**20. A big letter G with a volume of 400 cm3 is fully submerged in water. Two strings hold the G in place, as shown, and they each have a tension of 1.5 N. The density of water is 1 g/cm3 a) Draw a free-body diagram of the G. b) Find the magnitude of the buoyant force exerted on the G by the water. 53° 53° c) What is the mass of the G? d) What is the density of the G? e) The two strings are cut simultaneously. Find the acceleration of the G (direction and magnitude) right after the strings are cut.

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Expert Answer

Step 1

(a)The figure shows the free body diagram of G.

FB
53°
530
mg
Figure 1
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FB 53° 530 mg Figure 1

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Step 2

(b)The magnitude of the buoyant force exerted on G is.

 

F3-PgV
1000kg/m3x9.80m/s' x 400 x10 m3
=3.92N
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F3-PgV 1000kg/m3x9.80m/s' x 400 x10 m3 =3.92N

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Step 3

(c)Write the expression of te force acting ...

Fs +(-mg)+(-т sin 53°)+(-Tsin 53°)-0
FB-2T sin53°
т 3
g
3.92N-(2 x1.5 Nx sin53°)
9.8m/s2
0.156kg
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Fs +(-mg)+(-т sin 53°)+(-Tsin 53°)-0 FB-2T sin53° т 3 g 3.92N-(2 x1.5 Nx sin53°) 9.8m/s2 0.156kg

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