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 cm² at an angle of 45° to the normal and rebound elastically with a speed of 103³ m/s, then the pressure on the wall is nearly (a) 2.35 × 104 N/m² (c) 4.70 × 10² N/m² (b) 2.35 × 10³ N/m² (d) 2.35 x 10² N/m²
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 cm² at an angle of 45° to the normal and rebound elastically with a speed of 103³ m/s, then the pressure on the wall is nearly (a) 2.35 × 104 N/m² (c) 4.70 × 10² N/m² (b) 2.35 × 10³ N/m² (d) 2.35 x 10² N/m²
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Transcribed Image Text:7. 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
cm² at an angle of 45° to the normal and rebound elastically
with a speed of 10³ m/s, then the pressure on the wall is nearly
(a) 2.35 × 104 N/m²
(c) 4.70 x 10² N/m²
(b) 2.35 x 10³ N/m²
(d) 2.35 x 10² N/m²
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