10. The block, if the coefficient of the kinetic friction (k) between the block and the slope= 0.15 ? a. 2 m/s^2 b. 2.5 m/s^2 c. 1 m/s^2 d. 3.5 m/s^2 e. 3.0 m/s^2

12. A constant net torque is applied to an object. Which one of the following will NOT be constant? a. All the above are constants. b. Angular acceleration c. Center of gravity d. Moment of inertia e. Angular velocity

13. An ice skater begins a spin in the middle of a large rink but then starts to spin faster by pulling her arms in. Which of the following statements is true? a. Both kinetic energy and angular momentum are conserved. b. Kinetic energy is conserved, angular momentum increases. c. Kinetic energy increases: angular momentum is conserved. d. Both kinetic energy and angular momentum increase. e. Impossible to determine.

17.

A sealed cubical container 21.0 cm on a side contains a gas with four times Avogadro's number of neon atoms at a temperature of 22.0"C. Find the total translational kinetic energy of the gas. Universal Gas constants=8.314 joules per kelvin, 0.08206 liter atmospheres per mole kelvin, or 1.985 calories per degree Celsius (Use any appropriate value) 18300 J O 14700 J O 11000 J O 7305 J O 28500 JThe mass of the stone in air is 45 Kg and in water is 20 Kg . Compute the volume of stone. Take: acceleration due to gravity (g)=10m/s, Density of water=1000Kg/ms O 0.090 m3 O 0.075 m3 O 0.025 m3 O 0.05 m3 None of them mentioned