A toy gun fires perpendicularly upwards with ammunition weighing
33g. The rest length of the spring is 125
mm and it is compressed to a length of 25
mm for release. When the bullet leaves the barrel, the
spring is stretched to a length of 75 mm. Before
firing, the spring force is 34 N. Determine the
speed (m/s) of the bullet as it exits the barrel. How high (m) does
the bullet rise? Use 9.81 m/s2 as
the gravity constant.
75 mm 25 mm
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