Question

I need help on 8 or 9

(0.160).cat/16). What siven by 6. The position of a 0.75 kemas d an simple harmonie motions is the period of oscillation (a) 100 (b) 32 s (c) 16 s (d) 8.0 7. In an isobarie process 10.000 J of work is done on Quantity of a while its volume 1.5 m. What is the pressure during this process? to * volume changes from 2.5 m Initial temperature of -10.0°C? Use 109 J/(kg.). The latent heat (a) 1.0 x 10* Pa (b) 3.0 x 104 Pa (c) 2.5 x 10° Pa (d) 10 x 10 Pa 8. How much energy is required to completely melt 50 kr le cube with an initial temperatur a specific heat of water of c =40 x 10' /kg do le 20 x 10 J/(kg ) of fusion is 3.00 x 10 J/kg, and the latent heat of vaporization is 2.00 x 10 J/kg. (a) 1.0 x 105 (b) 2.0 x 105] (c) 1.5 x 108J (d) 1.6 x 10% J 9. If po 100.0 Pa and V=2.00 m, what is the work in going along path 1-2-6-5-1 ? (a) 0.0 J (b) 200 J (c) 800J (d) 1200 10. For a certain object, a graph is produced that shows the time (horizontal axis) and the torque on the vertic axis. The area under the graph represents the (a) rotational work (b) change in angular momentum (c) net torque (d) none of the above

Answer 1

The solution for question no. 8 is given below

8) Enegy neguined Heat gained ice mxcice X Atice t m L Given, m- Cice 2.0X103 JK 3 X105J/K L4 J At = (0-1-10))10°c = 5X 2X10X 1o +5 X 3 X105 Ene 10 15 X106 6 xioJOption d) 16X10J

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