Answer:
A
Explanation:
KE = 1/2 mv^2
=1/2(30kg)( 3.4 m/s)^2
=173.4 joules
=1.7×10^2 joules
The answer is D. Four covalent bounds
a train
the train is longer the longer something is the more power it will have
8in
Multiply the race way side by 6
6 rather than 8.
