PLS HELP ASAP. A metal sphere with a mass of 190.0 g rolls along a frictionless surface at 15.0 m/s and strikes a stationary sphere having a mass of 50.0 g. The first sphere stops completely. At what velocity does the second
sphere move away from the point of impact?

An astronaut floating in space is trying to use her jetpack to get back to her space station, but she is being pulled away by a nearby planet, as shown in the image below. her jetpack provides a constant thrust of 310 n. if she angles her jetpack in such a way that it cancels out the vertical force due to the planet's gravity, what is her net horizontal force? thaud 487 o a. 54.8 n toward the space station o b. 212.9 n toward the space station o c. 185.2 n toward the space station o d 956 n toward the space station