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2 years ago

8

Who was the scientist who gave us the laws of motion?.

2 answers:

kicyunya [14]2 years ago

8 0

Isaac Newton was the one who gave his three laws of motion

timurjin [86]2 years ago

3 0

Answer:

Isaac Newton

Explanation:

Newton's laws of motion, three statements describing the relations between the forces acting on a body and the motion of the body.

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3 years ago

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Liquid water at 25°C and 1 bar fills a rigid vessel. If heat is added to the water until its temperature reaches 50°C, what pres

Tcecarenko [31]

Answer:

The developed pressure is 205.75 bar.

Explanation:

Given that,

Temperature of water =25°C = 273+25 = 298 K

Pressure = 1 bar

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Value of $\beta = 36.2\times10^{-5}\ K^{-1}$

Value of $k=4.42\times10^{-5}\ bar^{-1}$

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We need to calculate the final pressure

Using formula for constant volume change

$\beta(T_{2}-T)_{1})-k(P_{2}-P_{1})=0$

Put the value into the formula

$36.2\times10^{-5}(323-298)-4.42\times10^{-5}(P_{2}-1)=0$

$P_{2}=\dfrac{36.2\times10^{-5}(323-298)}{4.42\times10^{-5}}+1$

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3 years ago

12028You are using a rope to lift a 14.5 kg crate of fruit. Initially you are lifting the crate at 0.500 m/s. You then increase

11Alexandr11 [23.1K]

Ans: 237.5J

Explanation;

WC= T*d

T* dcostheta. But theta=0

= 190* 1.25

= 237.5J

See attached file for diagram

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3 years ago