The Student Room Group

Physics A Level Question !!!!!

(a) Show that the force constant for the spring is about 1000 N m–1.
0.6 0.7 0.8
(2)
0.2 0.3 Compression / cm
................................................................................................................................................................................................................................................ ................................................................................................................................................................................................................................................ ................................................................................................................................................................................................................................................ ................................................................................................................................................................................................................................................
(b) The spring is 6.3 cm long. When it is compressed in the gun, the length of the spring is reduced to 1.6 cm.
Assuming that the spring obeys Hooke’s law throughout the compression, show that the energy stored in the spring before firing the gun is about 1 J.
(2)
................................................................................................................................................................................................................................................ ................................................................................................................................................................................................................................................ ................................................................................................................................................................................................................................................ ................................................................................................................................................................................................................................................
21
*P38414A02124*
Turn over
0.4 0.5

Force / N

(ii) State an assumption that you have made.
(1)
physicsandmathstutor.com June 2011
(c) The disc and spring have a combined mass of 9.4 g.
(i) Show that the maximum speed at which they can be fired is about 15 m s–1.
(2)
................................................................................................................................................................................................................................................
................................................................................................................................................................................................................................................
................................................................................................................................................................................................................................................
................................................................................................................................................................................................................................................
................................................................................................................................................................................................................................................ ................................................................................................................................................................................................................................................
(d) The gun is fired at a fly on a wall 3.0 m away. The gun is fired horizontally.
(i) Calculate the velocity of the disc as it hits the wall. Ignore the effects of air resistance.
Original post by AnonymousAnswer
x


It seems that your questions haven't copied over correctly and some information is missing - perhaps a link to the paper would help so that someone can answer your question. :h:

Quick Reply

Latest