B: heat is transferred as thermal energy by the interaction of moving particles
The smallest unit that makes up matter is an atom!
Answer:
power=work done÷time taken
2×5=10
10÷10=1
ans 1J per second
Answer:
140m east
Explanation:
If East is positive then lets rephrase the problem into integers
A truck moves +70 m, then moves -120m, and finally moves +90m.
So totally Displacement = +70-120+90= +140m
Since east is positive, the trucks resultant displacement is 140 m east of origin
