Answer:
C. seismographs
Explanation:
Theirs another name for seismographs but c is correct
Answer:29.4m/s
Explanation: Vf=Vi +at= 0 initial velocity +(9.8)(3)= 29.4 m/s
Answer:
The answer is Current.
Explanation:
In a series circuit, every component will have the same <u>current</u>.
In parallel circuit, all <u>voltage</u> of component remains the same.
<span>The force will be zero if the wagons are moving at a constant speed (i.e. not accelerating), as there is no frictional force to overcome. If the wagons are accelerating, the force will be proportional to the acceleration, and 20% of the force applied by A.</span>