Which statement describes a risk of the technological design of headphones?
they allow users to listen quietly.
o they could damage hearing.
they eliminate distractions.
they are portable.
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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.

Apulley with a mechanical advantage of 5 will require you to pull times the amount of rope. a. 1/5 b. 5 c. 10 d. 15

The respiratory system removes oxygen and water from the body. select the best answer from the choices provided t f