Hi, these are three physics questions Ihave. If you answer one correctly i will

Question

Hi, these are three physics questions Ihave. If you answer one correctly i will rate you somewhat helpful,two correct will be rated helpful, and if you answer all threecorrect I WILL RATE YOU LIFESAVER!!! thanks.
1. A 0.105-kg hockey puck moving at 18 m/s is caught and held bya 71-kg goalie at rest. With whatspeed does the goalie slide on the ice?
m/s
2. A 35.0-g bullet movingat 475 m/s strikes a 4.9-kg bagof flour that is on ice, at rest. The bullet passes through thebag, leaving at 275 m/s. How fast is the bag moving whenthe bullet exits? m/s
3. A 5790 kg open railroad car coasts along with aconstant speed of 8.60 m/s on a level track. Snow begins to fallvertically and fills the car at a rate of 3.50 kg/min. Ignoringfriction with the tracks, what is the speed of the carafter 90.0 min? m/s Hi, these are three physics questions Ihave. If you answer one correctly i will rate you somewhat helpful,two correct will be rated helpful, and if you answer all threecorrect I WILL RATE YOU LIFESAVER!!! thanks.

2. A 35.0-g bullet movingat 475 m/s strikes a 4.9-kg bagof flour that is on ice, at rest. The bullet passes through thebag, leaving at 275 m/s. How fast is the bag moving whenthe bullet exits?
3. A 5790 kg open railroad car coasts along with aconstant speed of 8.60 m/s on a level track. Snow begins to fallvertically and fills the car at a rate of 3.50 kg/min. Ignoringfriction with the tracks, what is the speed of the carafter 90.0 min?

Explanation / Answer

hi, so only the second one is correct. i can either rate you now as somewhat helpful or if you try again and get the right answer i can still give you lifesaver.

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