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Ugo [173]
3 years ago
9

A metal alloy rod is submerged 22 cm below the surface of a fresh water pool by steel cables tied 10cm from each end. It has a l

ength of 110 cm, a mass of 2 kg and a uniform square cross sectional area of 7 cm2. Because its density is not uniform its center of mass is located 49 from the left end.
1.) What is the force of tension in the left cable?
2.) What is the force of tension in the right cable?

Physics
1 answer:
Allisa [31]3 years ago
3 0

Answer:

force of tension in the left cable = 7.66N

force of tension in the right cable = 5.074N

Explanation:

The detailed step and calculation is as shown in the attachment.

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Does a calculation lose any information when converted from centimeters to meters? Explain
german

Answer:

No

Explanation:

There are many units that are used to measure length of an object. For example centimeters, meters, millimeters etc.

There is a relationship between any of two units to measure lengths. If we want to convert some length from cm to m, it can be done as follows :

1 cm = 0.01 m

or

1 m = 100 cm

When we use this conversion, the calculation remains the same. Only the way to represent it will be different.

Hence, there is no lose of information when converted from centimeters to meters.

7 0
4 years ago
I need help on question 6
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4 years ago
a) One of the moons of Jupiter, named Io, has an orbital radius of 4.22 108 m and a period of 1.77 days. Assuming the orbit is c
hoa [83]

Answer:

According to Kepler's 3rd law.

It states that the orbital period, T is related to the distance, r as:

T² =  4 π²r³ /G  M

where G is the universal gravitational constant  =  6.673 × 10⁻¹¹ Nm²/kg²

Rearranging for M should give Jupiter's mass.

M =   4 π²r³/GT²

T= 1.77 days × 24 h/day × 60 min/h × 60 s/min = 1.53 × 10⁵ s

r = 4.22x10⁸ m

M = 4π² ((4.22 × 10⁸ m)³/(6.673 × 10⁻¹¹ Nm²/kg² x (1.53 × 10⁵ s)²)

M = 1.90 × 10²⁷kg

The mass of Jupiter is 1.90 × 10²⁷kg.

1.90 × 10²⁷kg

T= 7.16 days × 24 h/day × 60 min/h × 60 s/min = 6.19 × 10⁵s

r = 1.07x10⁹ m

M = 4π² ((1.07 × 10⁹ m)³/(6.673 × 10⁻¹¹ Nm²/kg² x (6.19 × 10⁵ s)²)

M = 1.90 × 10¹⁷kg

The mass of Jupiter is 1.90 × 10¹⁷kg.

THE RESULTS TO PART A and B ARE NOT CONSISTENT. The reason is because of the difference in radius of each satellites from Jupiter. i.e the farther away the moons, the smaller they become in space and the more the number of days to complete an orbit.

8 0
3 years ago
What does the model below represent?
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Answer:

D

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Because we have two reactants and product

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2 years ago
Why is work measured in
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C) the equation consists of two factors:

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W = F · S

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