A train is traveling with a velocity of 60 m/ s and has a mass of 5109 kg The trainenergy

Which safety measures should you follow during a thunderstorm? check all that apply. (a) avoid touching anything that conducts electricity. (b) avoid touching a person who has been struck by lightning. (c) go outside. (d) keep your computer turned off. (e) stay out of water. (f) stay inside.

Because light travels in a straight line and casts a shadow, isaac newton hypothesized that light is

The force needed to overcome static friction is usually less than that needed to overcome kinetic friction. true or false?