Question 10 of 13 X ncorrect X ncorrect ncorrect X ncorrect Map E R. Kesten Davi

Question

Question 10 of 13 X ncorrect X ncorrect ncorrect X ncorrect Map E R. Kesten David Tauck UNIVERSITY PHYSICS Presented by sapling learning In a ballistic pendulum experiment, a small marble is fired into a cup attached to the end of a pendulum. If the mass of the marble is 0.0265 kg and the mass of the pendulum is 0.250 kg, how high will the pendulum swing if the marble has an initial speed of 5.85 m/s? Assume that the mass of the pendulum is concentrated at its end so that linear momentum is conserved during this collision Number 1.86 There is a hint available! View the hint by clicking on the bottom divider bar. Click on the divider bar again to hide the hint. Close A Previous 8 Give Up & View Solution Check Answer Next Exit Hint

Explanation / Answer

FIRST USE THE CONSEVATION OF MOMENTUM

INITIAL MOMENTUM = FINAL MOMENTUM

m1v1= (m1+m2) * v

where

m1= 0.0265 Kg

m2= 0.250 Kg

v1= 5.85 m/s

so solving for v we get ,

v = 0.56m/s

now,

the kinetic energy of combined mass should be converted into potential energy.

so,

0.5*(m1+m2) * v2 = ((m1+m2)* g* h

=> h= v2/2g

= >h = 0.016 m

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