169 2 The mass of a hydrogen molecule is 3 32 10 27 kg If

Last updated: 6/8/2023

169 2 The mass of a hydrogen molecule is 3 32 10 27 kg If 1023 hydrogen molecules strike per second a fixed wall of area 2 cm at an angle of 45 to the normal and rebound elastically with a speed of 10 m s then the pressure on the wall is nearly 1 2 35 x 10 N m 3 2 35 x 10 N m 2 4 70 x 10 N m 4 4 70 x 10 N m