A soldier has a huge contraption that notches a large 4 kg arrow (it looks more
ID: 2125330 • Letter: A
Question
A soldier has a huge contraption that notches a large 4 kg arrow (it looks more like a lance) in a massive bow and uses a winch system to draw the arrow back to set the bow. The soldier does 118 J of work in the process setting the bow/arrow combination and then releases the arrow. What is the speed of the arrow?A soldier has a huge contraption that notches a large 4 kg arrow (it looks more like a lance) in a massive bow and uses a winch system to draw the arrow back to set the bow. The soldier does 118 J of work in the process setting the bow/arrow combination and then releases the arrow. What is the speed of the arrow?
A soldier has a huge contraption that notches a large 4 kg arrow (it looks more like a lance) in a massive bow and uses a winch system to draw the arrow back to set the bow. The soldier does 118 J of work in the process setting the bow/arrow combination and then releases the arrow. What is the speed of the arrow? A soldier has a huge contraption that notches a large 4 kg arrow (it looks more like a lance) in a massive bow and uses a winch system to draw the arrow back to set the bow. The soldier does 118 J of work in the process setting the bow/arrow combination and then releases the arrow. What is the speed of the arrow?
Explanation / Answer
work done ,W= 0.5*m*v^2
v = sqrt(2*W/m) = 7.68 m/s