A 0.2 kg cart is released from rest at the top of a frictionless ramp with a height of 1.4 meters. State the initial type of energy in the cart-Earth system when the cart is released at the top of the ramp.

Ithink the answer for this is: an electromagnet is a magnet  with a soft metal core.

All u need to do is see how 50cm work with each other

Biological effects of low exposure to radiation: damage cells.damage dna.are hard to detect.are repaired by the body.biological effects of high exposure to radiation: kill cells, tissues, and organs.produce a variety of cancers.result in acute radiation syndrome.