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creativ13 [48]
3 years ago
7

In a nuclear power plant, nuclear reactions are used to heat steam, which turns a turbine. What energy conversion is happening i

n a nuclear power plant?
A.Heat energy to nuclear energy to electrical energy to kinetic energy
B.Nuclear energy to heat energy to kinetic energy to electrical energy
C.Electrical energy to chemical energy to kinetic energy to heat energy
D.Chemical energy to heat energy to kinetic energy to nuclear energy
Physics
2 answers:
mr_godi [17]3 years ago
8 0
In a nuclear power plant, you start off with uranium (nuclear energy), and a lot of that nuclear energy is released by heat energy. Heat then boils water and drives a turbine for a generator, which creates kinetic energy, which produces electrical energy.

In other words, your answer is B.
Lina20 [59]3 years ago
5 0

Answer:

In a nuclear plant is happening the B option. Nuclear energy to heat energy to kinetic energy to electrical energy

Explanation:

1. The first step in a nuclear plant is to generate a nuclear chain reaction, removing nuclear elements from the atoms of enriched substances like uranium 235. This reaction free energy in the form of heat. A lot. NUCLEAR ENERGY

2. The heat should now be dissipated, through a cooling system, that uses water. HEAT ENERGY

3. The water in the cooling system boils and generates steam. The steam moves the turbine. KINETIC ENERGY

4. The turbine rotation generates electrical energy. ELECTRICAL ENERGY

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A baseball with a mass of 0.15 kilograms collides with a bat at a speed of 40 meters/second. The duration of the collision is 8.
Vedmedyk [2.9K]

Answer: 1687.5 N

Explanation:

From the second law of motion given by Newton, Force is the rate change of momentum.

F = \frac{dp}{dt}=\frac {m dv}{dt} = \frac{m (v_f-v_i)}{dt}

Mass of the baseball, m = 0.15 kg

Initial velocity, v_i=-40 m/s (negative because direction of initial velocity is opposite to the final velocity)

Final velocity, v_f=50 m/s

The duration of collision, dt= 8.0 \times 10^{-3} s

Force, F = \frac{0.15 kg (50-(-40) m/s)}{8.0 \times 10^{-3} s}=1687.5 N

Hence, the value of force is 1687.5 N.

8 0
2 years ago
What is one factor that helps keep the planets and other solar system objects in orbit around the sun?
pshichka [43]
The answer is D<span>.the gravitational force between the sun and each object in the solar system</span>
7 0
3 years ago
Read 2 more answers
Occupants in a single space shuttle in orbit feel weightless. describe a scheme whereby occupants in a pair of shuttles (or even
agasfer [191]
The   scheme  whereby occupants  in  a  pair  of  shuttles is  as  follows
use  a  strong  cable  with  large  weight  on  the  end
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8 0
3 years ago
You and a friend each carry identical boxes from the first floor of a building to a room located on the second floor, farther do
melamori03 [73]

Answer:

Work done in both the cases will be same

Explanation:

As we know that the work done against gravity is given as

W = F_g .d

here we know that gravitational force is a conservative force and the work done against gravitational force is independent of the path

So here the work done by person to move the object between two different heights will be independent of the path they choose

So for the first person and second person will be same in both the cases because the height through which the boxes are transferred will be same in both the cases

8 0
3 years ago
Assume that the amplifiers on the stage operate at a combined power of 5,000 Watts, and that 80% of this is converted to sound.
rusak2 [61]

Answer:

0.04

Explanation:

Fraction of power converted to sound = 80% = 0.08

Fraction incident upon each eardrum onstage = 0.08/2 = 0.04

6 0
3 years ago
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