Physics, 29.01.2020 14:48 decoreyjpaipxv
Why do sound waves move faster through the ground than through the air?
particles of matter are packed more loosely in the ground than in the air.
particles of matter are packed more tightly in the ground than in the air.
air doesn’t contain any particles of matter to transmit sound waves.
the elevation of the ground is lower than the elevation of the air space.
Answers: 2
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Oxygen and nutrients are moved through the body by the: a. circulatory system c. lymphatic system b. digestive system d. reproductive system
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Given the position vector of the particle r(t)=(t+1)i+(t^2−1)j+2t k, find the particle's velocity and acceleration vectors at t=1
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A14 kg rock starting from rest free falls through a distance of 5.0 m with no air resistance. find the momentum change of the rock caused by its fall and the resulting change in the magnitude of earths velocity. earth mass is 6.0 * 10^24 kg. show your work assuming the rock earth system is closed.
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A1.5m wire carries a 2 a current when a potential difference of 52 v is applied. what is the resistance of the wire?
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Why do sound waves move faster through the ground than through the air?
particles of ma...
particles of ma...
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