An object of mass 4 Kg starts at the origin in xy-plane with initial velocityvector,( 0 )1, 1, 1v=<>. A force of magnitude 20 N acts directly upward from the xy-plane underneath the object, while gravitational force acts downward on the object. The magnitude of gravitational acceleration210 m/sg≈. Find, (i) the velocity()vtand the position function ()rtof this object, (ii) the time it lands on ground, and (iii) the coordinates of its landing.

Julie goes to the sports store and spends $40.50 before tax. she buys a pair of shorts for $21.75 and 3 pairs of socks that each cost the same amount. how much does each pair of socks cost? $$

Aprofessional hockey team has noticed that, over the past several seasons, as the number of wins increases, the total number of hot dogs sold at the concession stands increases. the hockey team concludes that winning makes people crave hot dogs. what is wrong with the hockey team's conclusion? a) it does not take into account the attendance during each season. b) it does not take into account the number of hamburgers sold during each season. c) it does not take into account the number of concession stands in the hockey arena. d) it does not take into account the number of seasons the hockey team has been in existence.

2,10,-50 next two numbers geometric sequence