Physics, 22.10.2019 03:00 Grayvtrain555
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a rock is dropped off of a cliff. it falls to the ground in 10 seconds. answer the following questions assuming that there is no air resistance.
c. what is the instantaneous velocity of the rock just before it hit the ground?
d. find the rock's displacement for the 10 seconds.
Answers: 2
Physics, 22.06.2019 01:50
Arod of some material 0.20 m long elongates 0.20 mm on heating from 21 to 120°c. determine the value of the linear coefficient of thermal expansion [in (degrees c)^-1] for this material.
Answers: 2
Physics, 22.06.2019 05:10
Waves are used in many practical applications to support work, entertainment, and health. one example is the use of ultrasound imaging to safely track the development of a growing fetus. what is a specific example of a practical application of waves in medicine, entertainment, safety, or other fields? provide a brief explanation of how the properties of waves are useful to that application.
Answers: 3
Physics, 22.06.2019 16:30
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
Answers: 3
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a rock is dropped off of a cliff. it falls to the ground in 10 seconds. answer the...
a rock is dropped off of a cliff. it falls to the ground in 10 seconds. answer the...
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