Question

Activity 6-12. Potential energy and total mechanical energy I [Accompanies Section 6-71 Consider four blocks, A, B, C, and D. (i) Block A has mass 2.00 kg, is moving at 5.00 m/s, and is 3.00 m above ground level. (ii) Block B has mass 3.00 kg, is moving at 4.00 m/s, and is 1.00 m above ground level. (ii) Block C has mass 1.00 kg, is moving at 5.00 m/s, and is 8.00 m above ground level. (iv) Block D has mass 4.00 kg, is moving at 10.0 m/s, and is 2.00 m below ground level.

Answer 1

6-12 T) For blotk A (P.EMghA 2x3 x9.8o = 58.8 J k.E. 25丁 (エ- 8-8+2s JJ = 83.8 3 For block B (PE meghe 3×1×9.8b= 29.4 丁 E 24 T EE) 29.4 24) = 53.4 J ii For block c 78. 4J ニS×|メデーペu〒=(3) 90-9 J 1Q,5丁 y) For boc D - 4×9-80× 2 ニ-78-4丁 200J ele2- 6J (T E -78-4 200 gravitathim potontial Enegy Rankeny lookciy c 7 A 7B 7 D in order at above Cal culatins (Potential enersy ら tve for block above tte and-ve f ock below e groum grornp) in order t0ta b) Rankuy Mechani cal eneras CTotal mechanial C AB 0kenet is Masure potental eners ene