A boy starts moving from origin in - ve x direction with acceleration 2 m/s^2 for 5 second. Then he suddenly reserves his direction without changing his speed and moves with that constant speed for further 5 seconds. find
a) final position of boy
b) displacement in 10s
c) distance covered

Which of the following statements are evidence that gases do not always behave ideally? check all that apply.? a. co2 gas becomes dry ice (solid co2) at 1 atm and –78.5 °c. b. when two gases are mixed, they follow dalton\'s law of partial pressures. c. at 4 k and 1 atm, helium is a liquid. d. it is impossible to compress a gas enough so that it takes up no volume.