Question 3 (1 point) A 350 kg skateboard is held 2 meters from the ground. It has Potential Energy. Calculate it.
• A 350 kilogram skateboard is held 2 meters from the ground. It has
energy. Calculate it.

Show on paper please explain!

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."

r = ρ x length / area  

ρ = r x area / length  

ρ is in ohm-meters  

in basic units, it is m³kg/s³a²  

i think this is it.

according to jean piaget, in what stage of cognitive development are children able to understand conservation task?

b. preoperational

just took it

gravitational energy

electrical energy

kinetic energy

ligh energy