Mechanics Question

Algebra Level pending

A 20g bullet strikes a fixed block of wood at a speed of 320 m/s [fd]. The bullet embeds itself in the block of wood to a depth of 6.0 cm. Calculate the average net force acting on the bullet while it is being brought to rest in N [fd]. Answer to the correct number of significant figures.

1.7E4 -1.7E4 17000 -17000

Evan S by Evan S , 21, Canada

This section requires Javascript.
You are seeing this because something didn't load right. We suggest you, (a) try refreshing the page, (b) enabling javascript if it is disabled on your browser and, finally, (c) loading the non-javascript version of this page . We're sorry about the hassle.

1 solution

Average acceleration is − 32 0 2 2 × 0.06 ≈ − 853333.3333 -\dfrac {320^2}{2\times 0.06}\approx -853333.3333 m/s 2 ^2 . So the average force is ≈ 0.02 × ( − 853333.3333 ) ≈ − 17066.67 \approx 0.02\times (-853333.3333)\approx -17066.67 N

1 Helpful 0 Interesting 0 Brilliant 0 Confused

1 pending report

Vote up reports you agree with

×

Problem Loading...

Note Loading...

Set Loading...