Ask question

Ask question

All categories

3 years ago

15

Science

2 answers:

Nina [5.8K]3 years ago

5 0

Answer:

C- Potential; Kinetic

Step-by-step explanation:

The potential energy in water pooled behind a dam is converted to kinetic energy as gravity causes the water to surge through tunnels in the dam.

Potential energy is the energy of position. The potential energy of water behind a dam can be maximized by increasing the difference in height between the water's staring point and the water's outflow point. The more potential energy the water has, the more kinetic energy can be produced when the water is set in motion. This energy of motion can then be used to spin turbines that drive electrical generators, which produce electricity to power homes and businesses. Electrical power produced in this manner is called hydroelectric power.

kherson [118]3 years ago

3 0

<span>potential; kinetic is the answer.</span>

You might be interested in

Round each number to the nearest whole number. What is the best estimate for the answer to 276.37 – 67.81? A. 209 B. 208.6

pav-90 [236]

A.209

<span>276.37 – 67.81 = 208.56
The 5 in .56 means round up.
This means 208.56 will turn into 209.</span>

8 0

4 years ago

Read 2 more answers

The net of a square pyramid is shown below:

xxMikexx [17]

The surface area is 24

3 0

4 years ago

The Statue of Liberty is about 300 feet tall and about 30 feet wide. The town of Unionville is building a smaller model for thei

hichkok12 [17]

It’s dividing by a factor of 10. So 30 divided by 10=3. You then do the same thing for the height. 300 divided by 10=30. The answer is 30.

5 0

3 years ago

An individual who has automobile insurance from a certain company is randomly selected. Let Y be the number of mov- ing violatio

Rudik [331]

Answer:

a) E(y) = 0.8

b) The average subcharge is $165

Step-by-step explanation:

We are given the following distribution in the question:

y: 0 1 2 3

P(y): 0.50 0.25 0.20 0.05

a) E(y)

$E(y) = \displaystyle\sum y_iP(y_i)\\\\E(y) = 0(0.50)+1(0.25)+2(0.20)+3(0.05)\\E(y) = 0.8$

b) Expected value of subcharge

Subcharge =

$\$110y^2$

Expected value of subcharge =

$=110E(y^2)\\\\=110\displaystyle\sum y_i^2P(y_i)\\\\=110(0^2(0.50)+1^2(0.25)+2^2(0.20)+3^2(0.05))\\=110(1.5)=165$

Thus, the average subcharge is $165

5 0

3 years ago

Paco solves the equation -3x-5=1

Levart [38]

Answer:

x= -2

Step-by-step explanation:

-3x-5=1

+5 on each side to balance the equation:

-3x=6

Divide by -3 on each side:

x=-2

7 0

3 years ago

Read 2 more answers