Question

A2 meter long pendulum with a bob (the mass at the end of the pendulum) that is 3 kg in mass is pulled back by 20° and releas

Question 1 1 pts When released, what happens to the potential energy of the bob? O it does not change 0 O it goes up O it goe

Question 4 2 pts How much non-conservative work does the tension force do? Question 5 1 pts What is the reason for your answe

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Answer #1

20 2m lih mg D 9+ goes down when released, the bob goes down. If a body falls down then its potential energy decreases . 2 1.Work done F. ² > force 5 displacement ř 3 F. 3=0 & work work done ao 6 Change in PE gain in KE (kinetic energy) kinetic energ

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