A machine with a velocity ratio moves a load of 3000N when an effort of 200N is applied. Calculate the efficiency energy

Are aliens real? justify you’re answer.

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.

When does your body conduct current more readily?