Answer:
You would hear a loud trumpet sound that can be heard from a large distance.
Explanation:
Emit greenhouse gases
Explanation:
Nuclear power is regarded as a clean energy source because it doesn't produce or emit greenhouse gases.
Greenhouse gases are mostly generated by the use of fossil fuels that pollutes the environment causing surging global temperature.
Nuclear power is produced by the splitting of radioactive minerals in rods. The process releases a large amount of energy. When the fuel elapses, only radioactive wastes remains.
There is no production of any greenhouse gas in the process of harnessing nuclear energy.
This is why it is considered a clean energy source.
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initial angular speed is given by 33.3 rpm
final angular speed is given by 78 rpm
now by using kinematics we will have
Answer:
The speed of the mouse relative to the factory floor is 5 m/s.
Explanation:
Given that,
A factory conveyor belt rolls at 3 m/s, 
A mouse sees a piece of cheese directly across the belt and heads straight for the cheese at 4 m/s, 
To find,
The mouse's speed relative to the factory floor.
Solution,
The resultant velocity of the mouse is given by the resultant of two velocities. It is given by :
v = 5 m/s
So, the speed of the mouse relative to the factory floor is 5 m/s.
The correct option is (D) Both, distance traveled and displacement are 300 km.
Why?
To solve the problem we must remember what distance and displacement means.
Distance means the ground/space covered in a certain time, in physics, distance is equal to the product of the speed and time.
Displacement means the distance between the starting and ending point of an object after (or not) being in motion.
So, for the problem, using the graphic we are asked to find the distance and displacement in 4 hours
We can see that in 4 hours, the distance covered is 300km, also, we can see that the difference (in distance) between the starting point at 0 hours and the ending point at 4 hours is equal to the distance covered in the same time.
Hence, we can see that the correct option is D) Both, distance traveled and displacement are 300 km.
Have a nice day!
