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ExtremeBDS [4]
4 years ago
5

The rate at which velocity changes is called?

Engineering
2 answers:
Travka [436]4 years ago
7 0

The rate at which velocity changes is called acceleration

vfiekz [6]4 years ago
3 0
The rate at which velocity changes is called acceleration, which has the units m/s2.
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A company buys a machine for $12,000, which it agrees to pay for in five equal annual payments, beginning one year after the dat
Yuki888 [10]

Answer:

$7,778.35

Explanation:

At year 3, the final payment of the remaining balance is equal to the present worth P of the last three payments.

First, calculate the uniform payments A:

A = 12000(A/P, 4%, 5)

= 12000(0.2246) = 2695.2  (from the calculator)

Then take the last three payments as its own cash flow.

To calculate the new P:

P = 2695.2 + 2695.2(P/A, 4%, 2) = 2695.2 + 2695.2(1.886) = 7778.35

Therefore, the final payment is $7,778.35

4 0
4 years ago
Led test lights are used to test circuits that include controllers and computers. True or false
Marianna [84]

Answer:

True

Explanation:

An LED test light is a piece of electronic test equipment used to determine the presence of electricity in a piece of equipment under test, making this statement true.

3 0
2 years ago
What statement exemplifies the role of archeology in architecture?
horrorfan [7]
The answer is B because an architect designs buildings
5 0
3 years ago
What is a material safety data sheet? A. a categorized list of hazardous substances in an industry B. a document with safety inf
horsena [70]

Answer: A.

Explanation:

safety data sheet are documents that list information relating to occupational safety and health for the use of various substances and products.

3 0
3 years ago
An inventor claims to have developed a food freezer that at steady state requires a power input of 0.25 kW to extract energy by
Serga [27]

Answer:

investor claim is acceptable

Explanation:

given data

Win = 0.25 kW

Qc = 3000 J/s = 3kW

Th = 293 K

Tc = 270 K

solution

we get here coefficient of performance of cycle is

coefficient of performance = \frac{Qc}{Win}    ..................1

put here value and we get

coefficient of performance = \frac{3}{0.25}  

coefficient of performance = 1.2

and

coefficient of performance of ideal refrigeration is

coefficient of performance = \frac{Tc}{Th-Tc}    ..................2

coefficient of performance = \frac{270}{293-270}  

coefficient of performance = 11.74

and

we can see here that coefficient of performance of ideal refrigeration  is is more than real cycle coefficient of performance

so investor claim is acceptable

6 0
3 years ago
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