One of the events in the Scottish Highland Games is the sheaf toss, in which a 7.95-kg bag of hay is tossed straight up into the air using a pitchfork. During one throw, the sheaf is launched straight up with an initial speed of 2.45 m/s. a) What is the impulse exerted on the sheaf by gravity during the upward motion of the sheaf (from launch to maximum height)

d) physical means can be used to separate the components of air.

the skeletons of most mammals reach a certain size and then stop growing. however, many animals, including some mammals, keep growing throughout their lives. kangaroos, for example, just keep growing and growing until they die. also, the longer an animal lives the greater the chance it might catch some deadly disease.

i really dont know but i will try okay.

so i think u would just add all them up and get your answer..

the components of a vector are the parts of the vectors that are to each other.

b perpendicular