Can you please answer the following multiple choice Physics questions. No explanation needed will be happy to leave a great review. Thanks in advance.

16. An 825-kg cannon rests on a frictionless surface and fires a 1. 12-kg projectile at 124 meters per second to the right. What is the velocity of the cannon immediately after the projectile is fired? (a) 0.124 - to the left S (b) 0.152 - to the left (c) 0.168 - to the left S IS (d) 0.174 - to the left 17. A particular color of light has a wavelength of 442 nanometers in free space. What is the frequency of this color of light? (a) 6.79 x 10 - Hz (b) 6.79 x 10 Hz (c) 1.47 x 10 9 Hz (d) 1.47 x 10 5 Hz 18. The four rods shown below are made of carbon, Which rod has the greatest electrical resistance between its two ends? (a) A (b) -2L (c) 24 19. A fixed quantity of an ideal gas has a pressure, volume, and temperature given by PJ. V1. and 7,. The pressure and itemperature of the gas are both doubled. What is the final volume of the gas, V2. in terms of ? 19) 214