The Answer is here
Nuclear energy has no place in a safe, clean, sustainable future. Nuclear energy is both expensive and dangerous, and just because nuclear pollution is invisible doesn't mean it's clean
Unit for x - the change in the spring length:
x = [ m ]
PE s = 1/2 k x²
[ kg m² / s² ] = 1/2 k * [ m² ] /: m²
k = [ kg / s² ]
Answer: The unit for spring constant k is kg/ s²
Answer:
Gamma rays have the highest energies.
Explanation:
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This situation is a good analogy for a substance with a very high density.
The density of any substance is the mass per unit volume. In this case, the mass confined in the given volume is very high, which is the case for a substance with a high density. The particles in the material are also closely packed.
Answer:
D
Explanation:
by increasing the distance through which force is applied, by changing the direction of force applied or by multiplying force of speed of the energy applied
