9. a 0.500 kg ball with a speed of 4.0 m/s strikes a stationary 1.0 kg target. the ball and target

stick together. if momentum is conserved, what is the total momentum of the ball and target
after the collision?
a. 0.0 kgm/s
b. 0.5 kgm/s
c. 1.0 kgm/s
d.2.0 kgm/s

Avehicle has an oil leak that is causing the entire oil pan to be wet, but inspection reveals no exact source after cleaning off the oil residue. technician a says to install a fluorescent dye in the crankcase and operate the engine, then re-inspect for leaks with a special light (black light). technician b says the oil leak may be coming from a source at the top of the engine, such as a valve cover gasket. who is correct?

Which levels of government establish and implement educational requirements for minors

Afrequency generator sends a 550 hz sound wave through both water and ice. what is the difference in wavelength between the wave produced in ice and the wave produced in water?