What makes is the difference between speed and velocity?
velocity is faster.
velocity is slower.
velocity includes direction.
velocity is an average.

Velocity includes direction.

Explanation:

Velocity is a vector.  It includes both direction and magnitude.

Speed is the magnitude of velocity.

C

Explanation:

Velocity includes direction.

the first american roller coaster was the mauch chunk switchback railway, built in the mountains of pennsylvania in the mid-1800s. the track, originally built to send coal to a railway, was reconfigured as a "scenic tour."

electrical potential energy =0.072 j

explanation:

electrical potential energy is given by

u= q δv

q= charge=6 c

δv= potential difference and is given by

δv= e d

e= electric field

d= distance=5 mm=0.005 m

δv=2.4 (0.005)=0.012 v

now electric potential energy= u= q δv

u=6 (0.012)

u=0.072 j