A car is traveling with 90km/hr and another car with 20m/s in opposite direction. Calculate the relative velocity.

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.

A2k pendulum has a speed of 1 m/s at a height of 1/2 meter

Lightning is an example of what phenomenon? a release of a large amount of energy an absorption of a large amount of energy a natural electric circuit a natural electric current