How much force do you feel when you are riding in a rollercoaster vs. when two football players crash together at full speed?

The extremely high temperatures needed to trigger nuclear fusion are proposed to be generated by laser irradiating a spherical pellet of deuterium and tritium fuel of diameter 1.8 mm. (a) determine the maximum fuel temperature that can be achieved by irradiating the pellet with 200 lasers, each producing a power of 550 w. the pellet has an absorptivity 0.3 and emissivity 0.8.

Which type of wave can travel without a medium

Blank liquids and gases exert a buoyant force on objects placed in them