Physics, 03.01.2020 00:31 jpichardo2021
Aradioactive nuclide of atomic number emits an electron, then the daughter nuclide emits a gamma ray. what is the atomic number of the resulting nuclide after both processes? a. z - 1b. z + 1c. z + 2d. z - 2
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Suppose a wire with a current is pushed upward by a magnetic field. how would the wire move if the direction of the current reversed? explain your answer.
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At 20∘c, the hole in an aluminum ring is 2.800 cm in diameter. you need to slip this ring over a steel shaft that has a room-temperature diameter of 2.804 cm . 1. to what common temperature should the ring and the shaft be heated so that the ring will just fit onto the shaft? coefficients of linear thermal expansion of steel and aluminum are 12×10−6 k−1 and23×10−6 k−1 respectively.
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Physics, 22.06.2019 16:40
An owl dives toward the ground with a constant velocity of 4.40 m/s at 53.0° below the horizontal. the sun is directly overhead and casts a shadow of the owl directly below it. what is the speed (in m/s) of its shadow on level ground?
Answers: 3
Aradioactive nuclide of atomic number emits an electron, then the daughter nuclide emits a gamma ray...
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