Physics, 23.11.2019 00:31 SakChan8367
Afire engine is rapidly approaching you at a stop light. what happens to the frequency and pitch of the sound as the fire engine draws closer? the frequency increases, and the pitch decreases the frequency increases, and the pitch increases the frequency decreases, and the pitch decreases the frequency decreases, and the pitch increases
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Physics, 22.06.2019 09:30
1. how to locate the image in converging(concave) mirror and diverging (convex) mirror with salt. 2. how to locate the image in a converging (convex) lens and diverging (concave) lens with salt.
Answers: 1
Physics, 23.06.2019 02:50
You are your friend move a new refrigerator into his kitchen. you apply a horizontal force of 252 n in the negative x direction to try and move the 56 kg refrigerator. the coefficient of static friction is 0.61. (a) how much static frictional force does the floor exert on the refrigerator? give both magnitude (in n) and direction. magnitude n direction (b) what maximum force (in n) do you need to apply before the refrigerator starts to move?
Answers: 1
Afire engine is rapidly approaching you at a stop light. what happens to the frequency and pitch of...
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