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zheka24 [161]
3 years ago
9

Which of the following has the greatest inertia? A. a toy car . . B. a jet airliner . . C. a full-size car . . D. a pick-up truc

k .
Physics
1 answer:
Setler79 [48]3 years ago
7 0
Inertia is defined as the property of matter by which causes it to resist changes in its state of motion such as changes in velocity. From the given options above, the option that has the greatest inertia would be option B. A jet airliner. 
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valina [46]

Answer:

a) H_{in}=39.34 kJ

b) Efficiency=76.77%

Explanation:

a)

In order to solve this problem, we can use the following formula:

H_{in}=H_{out}+W

the problem provides us with all the necessary information so we can directly use the formula:

H_{in}=9.14kJ+30.2kJ

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4 0
3 years ago
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Artemon [7]
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6 0
3 years ago
The mass of a certain neutron star is 2.5x10^30kg and the radius 7000m. what is the force of gravity on a 1kg object of the surf
Makovka662 [10]

Answer:

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Explanation:

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Use the equation: F = (GMm)/(r^2)

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M = mass1 (2.5x10^30kg)

m = mass2 (1kg)

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Plug it in: F = ((6.7x10^-11)(2.5x10^30)(1)) / (7000^2)

F = (1.675x10^20) / (4.9x10^7)

F = 3.4183673x10^12

F = 3.42N

8 0
3 years ago
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