Which of the following cannot travel through the vacuum of space?

a. sound
b. light
c. uv rays
d. radio waves

If steel is more dense that lake water, why can a boat float

Afeather of mass 0.001 kg falls from a height of 2 m. under realistic conditions, it experiences air resistance. based on what you know about friction, what can you say about the kinetic energy of the feather as it reaches the ground? acceleration due to gravity is g = 9.8 m/s2. a. ke < 0.0196 j b. ke = 00196 j c. je = 0 j d. ke > 0.0196 j

Which accounts for an increase in the temperature of a gas that is kept a constant volume