Q. At the starting gun, a runner accelerates at 1.7 m/s^2 for 5.2 s. The runner's acceleration is zero for the rest of the race. What is the speed of the runner at t = 2.0;{rm{s}}?
Q. The rms speed of the molecules in 1.9g of hydrogen gas is 1600 m/s. What is the total translational kinetic energy of the gas molecules?