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Nezavi [6.7K]
4 years ago
12

Washington State is experiencing a water shortage, and Iowa has extremely high precipitation in the form of rain and snow. Match

the technologies with the states that can use them to reduce the impact of natural disasters.
Physics
1 answer:
Mnenie [13.5K]4 years ago
4 0

Answer:

Given that the Washington State has a serious problem of lack of water, while Iowa has the opposite problem, a balance should be sought to redistribute this proportion of water between the states.

The most viable and appropriate option to resolve this situation would be to build a dam on the Mississippi River, which forms the eastern border of the state and collects the largest amounts of rainwater in its flow.

Then, this dam should be connected through channels and aqueducts with the other Iowa rivers, such as the Cedar River, until reaching the Missouri River, the river that marks the eastern border of the state.

There, the course of the aqueducts should be piped so that they run underground to the west, supplying not only the Washington State, but all the states that in the course of the pipeline have aridity problems, through different extraction and pumping points.

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A 6.99-g bullet is moving horizontally with a velocity of +341 m/s, where the sign + indicates that it is moving to the right (s
Ratling [72]

Answer:

a). 1.218 m/s

b). R=2.8^{-3}

Explanation:

m_{bullet}=6.99g*\frac{1kg}{1000g}=6.99x10^{-3}kg

v_{bullet}=341\frac{m}{s}

Momentum of the motion the first part of the motion have a momentum that is:

P_{1}=m_{bullet}*v_{bullet}

P_{1}=6.99x10^{-3}kg*341\frac{m}{s} \\P_{1}=2.3529

The final momentum is the motion before the action so:

a).

P_{2}=m_{b1}*v_{fbullet}+(m_{b2}+m_{bullet})*v_{f}}

P_{2}=1.202 kg*0.554\frac{m}{s}+(1.523kg+6.99x10^{-3}kg)*v_{f}

P_{1}=P_{2}

2.529=0.665+(1.5299)*v_{f}\\v_{f}=\frac{1.864}{1.5299}\\v_{f}=1.218 \frac{m}{s}

b).

kinetic energy

K=\frac{1}{2}*m*(v)^{2}

Kinetic energy after

Ka=\frac{1}{2}*1.202*(0.554)^{2}+\frac{1}{2}*1.523*(1.218)^{2}\\Ka=1.142 J

Kinetic energy before

Kb=\frac{1}{2}*mb*(vf)^{2}\\Kb=\frac{1}{2}*6.99x10^{-3}kg*(341)^{2}\\Kb=406.4J

Ratio =\frac{Ka}{Kb}

R=\frac{1.14}{406.4}\\R=2.8x10^{-3}

3 0
4 years ago
*Urgent* I WILL GIVE BRAINLIEST
Butoxors [25]

Answer:

walking to school

Explanation:

Driving a car to school

, and taking the bus to school​ both take up energy, unlike walking to school.

unless ur talking about energy, counting energy you produce and use to complete things, then it would be the 3rd one, taking the bus to school.

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Determine the period of Saturns moon “Mimas”. Saturn has a mass of 5.68 x 10 to the 28th power kg and Mimas is about 1.87 x 10 t
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7 0
3 years ago
A canon is tilled back 30.0 degrees and shoots a cannon ball at 155 m/s. What is the
Umnica [9.8K]

Answer:

= \frac{(115^2)(\sin 30)^2}{2\times 9,8} \\\\= 168.7m

Therefore, highest point that the cannon ball reaches is 168.7m

Explanation:

the cannon is fired at an angle 30 o to the horizonatal with a speed of 155 m/s

highest point that the cannon ball reaches?

H_{max}=\frac{V^2\sin ^2 \theta}{2g}

g = 9.8m/s2

= \frac{(115^2)(\sin 30)^2}{2\times 9,8} \\\\= 168.7m

Therefore, highest point that the cannon ball reaches is 168.7m

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