Okay so, lets use the process of elimination here.
<span>A)There are few negative impacts from mining the fuel.
B)Reactors are safe from natural disasters.
C)There are little to no waste products from fission.
D)Nuclear power does not contribute greenhouse gases.
First off, we know B cannot be correct, seeing as how reactors are fragile and are damaged easily by Japan's earthquakes. So we can eliminate B from the choices. We then can eliminate C, since fission creates high levels of nuclear waste, so that leaves us with just A, and D. We can then eliminate A since uranium is radioactive, there is always a chance for negative effects.
So, the correct answer is D</span>
AN OBJECT FLOAT BECAUSE OF ITS LOW CAPACITY AND SINKS BECAUSE OF ITS HIGH CAPACITY
I didn't want to comment but don't trust those links it's a scam or a virus
Volume will decrease if the heat remains constant
Answer:
58.32 N
Explanation:
Area of a circle = 
where r is the radius of the circle.
The cylinder has a radius of 0.02 m, its area is;
=
= 
x 
= x 0.0004
= 1.2571 x 
Area of the cylinder is 0.0013 
.
The safety valve has a radius of 0.0075 m, its area is;
=
= x 
= x 5.625 x 
= 1.7679 x 
Area of the valve is 0.00018 .
From Hooke's law, the force on the safety valve can be determined by;
F = ke
= 950 x 0.0085
= 8.075 N
Minimum force, 
, required can be determined by;
= 
= 
= 
= 58.32
The minimum force that must be exerted on the piston is 58.32 N.
