Question

can you please show all equations and steps used. Thanks!

2. The system shown in the figure below is released from rest and moves 50 cm. Assume all surfaces are frictionless and find the following. a) The tension in the rope A) 3 N B) 2N C) 0.33 N D) 4 N 2N 3.0 kg 0.34 kg å b) The total work (Wtot) done on the 0.34 kg mass. A) -1.49 J B ) 1.49 J C) 1.66 J D ) 0.17 J c) Final speed of the 0.34 kg mass (use the work energy theorem) A) 1 m/s B) 4 m/s C) zero D) 8 m/s

Answer 1

For this question we will draw the free body diagrams:

Part A

m уз lequations : For 3ka Bock T- та эт - За ) Ерк Озча Block ознат -0-34а

34 -I = 0-3401 © Solving legn D and ② - 3.4 3a =0.34a 3.4=3.34a a=1.017 m/s² T= 3a → T=3(1.017) T= 3:05N [T=3N|

Click here (b) Total Force = 0.34(1.017 R = 0.345N WD = 0-345 (50) TW = 0.1751 (C) Work Done = Change in KE 0.17 = 1 mv² | mu? Uzo (starting 0.17 = 4x0.34xV²-0 0:34= 0.3412 » [V = 1m/s) from mesty