1 W = 1 J/s
Watt<span> is the unit of measure for power .
</span><span>
</span>Joule is the unit of measure for the energy and the second is the unit of measure for time.
Although liquids offer resistance to objects moving through them, they also smooth surfaces and reduce friction. Liquids tend to get thinner (less viscous) as they are heated. ... The rubbing produces friction and the result is heat.
I’m sure gravitation should be at the river sorry if I’m wrong
Answer:
Plutonium, has formula Pu with molecular mass 94
Explanation:

Answer:
The mass is 
Explanation:
Generally from Newton law for the first block
=>
For the second block the force is
and the acceleration is 
So from Newton law
=> 
substituting for a
=> 
=> 