A system consists of three particlesA, B,andC. We know thatmA= 3 [kg],mB= 4 [kg], andmC=5 [kg] and that the velocities of the particles expressed in [m/s] are, respectively, vA=−4i+ 4j+ 6k, vB=−6i+ 8j+ 4k, andvC= 2i−6j−4k. Determine the angular momentumHOof the system aboutO.

Which best describes how fluids change as they travel through different portions of the convection currents? they change to solids at the outer portion of the convection currents. they change to solids at the inner portion of the convection currents. they become more dense at the outer portion of the convection currents. they become more dense at the inner portion of the convection currents

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.

Will mark as brainliest how does a catapult increase the trajectory of an object? ps. answer as if u were a 5th grader