If I travel 100 m N in 5 seconds, what is my average velocity?

What type of light does this light bulb produce most (i.e. at what wavelength does the spectrum have maximum intensity)?

Which features on mars point to the possibility of liquid water on the planet? impact craters with sharp rims volcanic cones with craters gullies and stream-like channels mountain ranges with faults

If an astronaut takes an object to the moon the following is true (choose only one). a the mass will change but the weight will be the same. b both the mass and the weight of the object will be the same. c the weight will change but the mass will be the same. d both the mass and the weight of the object will change.