Physics, 13.09.2019 19:30 SoccerHalo
On a 100m straight track, zak runs to the 80m mark in 15s. he then runs back to the 20m in 10s. he then runs to the 100m mark in 20s. finally he runs to the 70m mark in 5s. the total distance travelled by zak is m and total displacement is m.
Answers: 3
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Infrared rays have a shorter wavelength than question 11 options: x-rays. ultraviolet rays. radio waves. gamma rays.
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Compare the horizontal displacement of the two balls as they travel to the ground. what do you observe?
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The sound level near a noisy air conditioner is 70 db. if two such units operate side by side, the sound level near the, would bea. 70dbb. 73 dbc. 105 dbd 140 db
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On a 100m straight track, zak runs to the 80m mark in 15s. he then runs back to the 20m in 10s. he t...
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