A 0.450 kg hammer is moving horizontally at 6.00 m/s when it strikes a nail and comes to rest after driving it 1.00 cm into a board.

(a) Calculate the duration of the impact.

(b) What was the average force exerted on the nail?

4 answers

d = .5 a t^2
a = 6/t

.01 = .5 (6/t)t^2 = 3 t
t = .00333 s

F = change in momentum/change in time
= .45 *6/.00333 = 810 Newtons
This is horribly set up; please improve
answer is correct go ahead
good