Physics, 18.06.2021 16:30 seannalove6168
A student performs a lab using an ultrasonic probe to measure the distance to a wall
located some distance away. If the air temperature is 25°C and the sound signal
returns 3.0 s after it was sent, how far away is the wall? Show all work using GRASS
and round your answer to the correct number of significant digits.
Answers: 2
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Jenny wants to test the electrical conductivity of two substances dissolved in water. she is preparing the containers for the experiment. which factor is most important for her to control? a) volumes of the solutions b) appearance of the solutions c) temperatures of the solutions d) concentrations of the solutions
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Elements on the periodic table are ordered according to their
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Five-gram samples of copper and iron are at room temperature. both samples receive equal amounts of energy due to heat flow. the specific heat capacity of copper is 0.09 cal/g°c, and the specific heat capacity of iron is 0.11 cal/g°c. which of the following statements is true?
Answers: 2
A student performs a lab using an ultrasonic probe to measure the distance to a wall
located some d...
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