Question

A BULLET IS FIRED INTO A BLOCK OF WOOD SITTING ON A BLOCK OF ICE

A BULLET IS FIRED INTO A BLOCK OF WOOD SITTING ON A BLOCK OF ICE. THE BULLET HAS AN INITAL VELOCITY OF 500M/S AND A MASS OD 0.005KG. THE WOODEN BLOCK HAS A MASS OF 1.2 KG AND IS INITALLY AT REST. THE BULLET REMAINS EMBEDDED INT HE BLOCK OF WOOD AFTERWARD.
A. ASSUMING THAT MOMENTUM IS CONSERVED. FIND THE VELOCITY OF THE BLOCK OF WOOD AND BULLET AFTER THE COLLISION.
B. WHAT IS THE MAGNITUDE OF THE IMPULSE THAT ACTS ON THE BLOCK OF WOOD IN THIS PROCESS?
C. DOES THE CHANGE IN MOMENTUM OF THE BULLET EQUAL THAT OF THE BLOCK OF WOOD? EXPLAIN.
*** WHEN ANSWERING THE FORMULAS, PLEASE TELL ME THE FORMULA YOU WILL BE USING BEOFRE DOING THE CALCULATIONS.
*** ALSO PLEASE FOR ANSWER C TRY TO GIVE THE ANSWER AS SIMPLIFIED AS POSSIBLE.

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