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vfiekz [6]
2 years ago
7

Which is a problem that results from global dependence on nonrenewable resources?

Physics
2 answers:
Makovka662 [10]2 years ago
8 0

Answer:

D. All of the above are problems that result from global dependence on nonrenewable resources.

atroni [7]2 years ago
8 0
The answer is all of above I’ve had this question before
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For general projectile motion, which of the following best describes the horizontal component of a projectile's acceleration? As
malfutka [58]

Answer:

E ) The horizontal component of a projectile acceleration is zero.

Explanation:

In case of a projectile , force of gravity acts in vertically downward direction so acceleration will act in vertically downward direction . Its direction never changes during course of its journey. So horizontal component of acceleration will always be zero at all points of its journey.

7 0
2 years ago
A stream of warm water is produced in a steady-flow mixing process by combining 1.0 kg/s of cool water at 25 °C with 0.8 kg/s of
Tamiku [17]

Explanation:

The given data is as follows.

      m_{1} = 0.8 kg/s = 800 g,      C_{1} = 4.18 J/g^{o}C

     m_{2} = 1 kg = 1000 g,   T_{1} = (75 - T),

     T_{2} = T - 25

Now, according to the law of conservation of energy,

         m_{1}C_{1}T_{1} = m_{2}C_{2}T_{2} + mL

     800 \times 4.18 \times (75 - T) = 1000 \times 4.18 \times (T - 25) + 30000

      250.8 - 3.34T = 4.18T - 104.5 + 30

          T = \frac{325.3}{7.52}

              = 43.23^{o}C

Thus, we can conclude that temperature of the warm water stream is 43.23^{o}C.

4 0
2 years ago
I really need help with this!! Will give brainliest if you help T^T
slava [35]

Answer:

What inferences can you make about the melting points of the different substances and the motion of their particles, based on the data? (ignore that needed it here so i could see it better.)

Explanation:

Butter has a lower melting point than the cheese and the wax. The motion of the cheese were a little separated while the butter articles have more space in between. The wax had the closest particles.

I dont know if that makes sense? 

5 0
2 years ago
A 4 kg bird is flying with a velocity of 4 m/s. What is its kinetic energy?
Maslowich
32 kg m/s would be the kinetic energy.
3 0
3 years ago
For a given amount of gas at a constant temperature, the volume of a gas varies inversely with its pressure is a statement of __
Ksivusya [100]

Answer:

d. Boyle's

Explanation:

Boyle's Law: States that the volume of a fixed mass of gas is inversely proportional proportional to its pressure, provided temperature remains constant.

Stating this mathematically. this implies that:

V∝1/P

V = k/P, Where k is the constant of proportionality

PV = k

P₁V₁ = P₂V₂

Where P₁ and P₂ are the initial and final pressure respectively, V₁ and V₂ are the the initial and final volume respectively.

Hence the right option is d. Boyle's

8 0
2 years ago
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