A 52.3 kg student is standing at rest on roller skates when another student throws a bag of 3.5 kg bag of sand. After the student catches the bag they are pushed a distance of 2 meters in 1 second. What was the initial velocity of the sand bag being thrown?

Ascrew incorporates which other simple machine? lever wheel and axle inclined plane pulley

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.

Awave is produced in a rope. the wave has a speed of 33 m/s and a frequency of 22 hz.