The atomic number of an element is also the number of
element.
in an
A. Protons
...
Physics, 19.04.2021 19:40 carebear60
The atomic number of an element is also the number of
element.
in an
A. Protons
B. Neutrons
C. Electrons
Answers: 3
Physics, 21.06.2019 17:10
Aprojectile is launched horizontally 10m above the ground and with an initial velocity of 15 m/s. a) sketch the trajectory using an appropriate coordination system. b) how long for the projectile to reach the ground. c) how far did projectile travel horizontally before striking the ground. d) determine the projectilex & y position at t-1.3s e) determine the magnitude and direction of projectile velocity at t= 1.3s f) determine the magnitude and direction of projectile acceleration at t-1.3s
Answers: 1
Physics, 22.06.2019 15:30
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.
Answers: 1
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Which model displays the change in a gas when the temperature of the gaseous system decreases?
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Physics, 23.06.2019 02:20
What are known as the properties of substances that describe a substance et does not change that substances?
Answers: 1
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