Answer:
The value of speed of wooden block at the instant after the collision 
262.41 
Explanation:
Given data
Mass of block = 6.3 kg
Mass of bullet = 0.086 kg
Velocity of bullet 
= 266
Final velocity of whole system is
Put all the values in above formula we get
262.41
This is the value of speed of wooden block at the instant after the collision.
2,000 j(apex)
i hope this was right
The answer is B. The electric screw driver increased the work. You would rather have an electric one than doing it all by hand. Hope this helps!
Number 4 is : a light hour is a measure of time in space used to calculate the length of time between one object to another and one light hour equals 1.079 × 109 kilometers or 1.079e+9
Pressure = Force/ Area = 3000/2 = 1500 pascal.
