Physics, 26.11.2019 02:31 quetzaliescalona
Atruck horn emits a sound with a frequency of 238 hz. the truck is moving on a straight road with a constant speed. if a person standing on the side of the road hears the horn at a frequency of 220 hz, then what is the speed of the truck? use 340 m/s for the speed of the sound.
Answers: 2
Physics, 21.06.2019 17:30
Awheel rotates without friction about a stationary horizontal axis at the center of the wheel. a constant tangential force equal to 82.0 n is applied to the rim of the wheel. the wheel has radius 0.150 m . starting from rest, the wheel has an angular speed of 12.8 rev/s after 3.88 s. what is the moment of inertia of the wheel?
Answers: 3
Physics, 22.06.2019 20:00
Aturntable that spins at a constant 74.0 rpm takes 3.10 s to reach this angular speed after it is turned on. find its angular acceleration (in rad/s2), assuming it to be constant, and the number of degrees it turns through while speeding up.
Answers: 2
Physics, 22.06.2019 21:00
If the specific heat of a metal is 0.850 j/g °c, what is its atomic weight?
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Physics, 22.06.2019 22:00
Ahurricane sweeps across the ocean and damages the houses of people living along the coast. which of these does not play any role in this interaction? air water glaciers living things
Answers: 1
Atruck horn emits a sound with a frequency of 238 hz. the truck is moving on a straight road with a...
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