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nata0808 [166]
2 years ago
14

Use the exact values you enter in previous answer(s) to make later calculation(s).

Physics
1 answer:
coldgirl [10]2 years ago
5 0

Answer:

a) 3.210J/K

b) -3.073J/K

c) -3.131J/K

d) O

Explanation:

The relationship between entropy and the energy transferred is applied.

Mathematically, dS = dQ/T

the steps are as shown in the attachment.

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4 0
2 years ago
Which is a factor that influences the development of cardiovascular disease?
alexgriva [62]

Answer: Several health conditions, your lifestyle, and your age and family history can increase your risk for heart disease. These are called risk factors. About half of all Americans (47%) have at least 1 of 3 key risk factors for heart disease: high blood pressure, high cholesterol, and smoking

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4 0
3 years ago
Read 2 more answers
A weightlifter raises a 50kg weight to a height of 2m in 2 minutes. What was the power spent by the weightlifter?
belka [17]

Answer:

117.72kW

Explanation:

Given data

Mass m= 50kg

height x = 2m

time taken = 2 minutes= 129 seconds

let us find the work done

WD= force * distance

WD= mgx

WD= 50*9.81*2

WD= 981 Joules

Let us find the power

Power= work * time

Power= 981*120

Power= 117720

Power= 117.72 kW

Hence the power spent is 117.72kW

8 0
3 years ago
Cellular respiration is an example of a chemical reaction where energy is released. Which of the following is a reaction where e
SSSSS [86.1K]
C. Dissolution reaction
6 0
3 years ago
Calculate the force needed to bring a 1,019-kg car to rest from a speed of 29 m/s in a distance of 118 m
son4ous [18]
Acceleration = ▵v/▵t
Time = d/v
Fisrt calculate time : ( 118/29 ) = 4 seconds
Then calculate acceleration
A = 29/4 = 7.25 m/s²
Now the force.
Force = mass * acceleration.
F= 1,019 * 7.25
F= 7,387 N
8 0
3 years ago
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