Starting at t = 0s, a horizontal net force F = (0.275N/s)ti+(-0.460N/s2)t^2j is applied to a box that has an initial momentum p = (-2.90kg?m/s)i+(3.95kg?m/s)j. What is the momentum of the box at t = 2.05s? Enter the x and y components of the momentum separated by a comma.

Individuals who live below the poverty line get seriously ill more often than those who do not what could be the hidden variable in this situation?

Which of the following correctly describes what happens when an atomic bomb explodes? small pieces of fissionable material are joined and form a body with a mass greater than the critical mass, the relative number of neutrons escaping decreases, and a chain reaction and explosion result. large pieces of fissionable matter are brought together quickly and form a body with a mass smaller than the critical mass, the relative number of escaping neutrons increases, and a chain reaction and explosion result.

Aheavy piece of hanging sculpture is suspended by a90-cm-long, 5.0 g steel wire. when the wind blows hard, the wire hums at its fundamental frequency of 80hz. what is the mass of the sculpture?