Please Help NO LINKS (1) Suppose you lift a stone that has a mass of 5.9 kilograms off the floor onto a shelf that is 2.5 meters high. How much work have you done?
Joules

(2) Suppose you lift a laptop that weighs 3.4 pounds off the floor onto a shelf that is 2 feet high. How much work have you done?
foot-pounds

(3) The force on a particle is described by
7
x
3
+
2
pounds at a point
x
feet along the
x
-axis. Find the work done in moving the particle from the origin to
x
=
5
.
foot-pounds

Consider the diagram. which line segment has the same measure as st? rx tx sr xs

Suppose you just purchased a digital music player and have put 8 tracks on it. after listening to them you decide that you like 4 of the songs. with the random feature on your player, each of the 8 songs is played once in random order. find the probability that among the first two songs played (a) you like both of them. would this be unusual? (b) you like neither of them. (c) you like exactly one of them. (d) redo () if a song can be replayed before all 8 songs are played.

Christine wong has asked dave and mike to her move into a new apartment on sunday morning. she has asked them both, in case one of them does not show up. from past experience, christine knows that there is a 40% chance that dave will not show up and a 30% chance that mik a. what is the probability that both dave and mike will show up? (round your answer to 2 decimal places.) b. what is the probability that at least one of them will show up? c. what is the probability that neither dave nor mike will show up? (round your answer to 2 decimal places.)e will not show up. dave and mike do not know each other and their decisions can be assumed to be independent.